Sort of. Copyright Cannabis Training University, a subsidiary of Online Training Providers. *Spring forward* on your herbal journey Enroll with 20% OFF HERBAL COURSES! Glycerine has anti-fermentative properties that are efficient for preservation. Capsules and tablets often include powdered extracts. However, alcohol also causes more people more problems than glycerine or vinegar, so sometimes the loss in potency is worth it. Storing it at room temperatures should be fine. Affiliate links are shared throughout the website and the Herbal Academy may receive compensation if you make a purchase with these links. 3. Helen is a housewife. 1. He had a week-long stay in ICU where brain surgeons Read More. Green, J. Reset Password If you need a tincture to survive the apocalypse, alcohol is your best bet. Alcohol free extracts are certainly not useless. Allow another 10 to 15 minutes for the liquid to strain through. As soon as a plant is harvested, it and its properties begin to fade. Remember, guidelines are not a set of hard rules to follow. We recommend using alcohol-based herbal tinctures within two years. STEP 2 Follow the same process listed above, substituting the alcohol for the glycerin solvent mixture. Retrieved from, http://www.usingeossafely.com/hydrosols-hydrolats-aromatic-waters-oh-my-everything-you-wanted-to-know-about-hydrosols/, Extrusion problems solved: Food, pet food and feed. . The water shortens the shelf life of the product by introducing bacteria. USE CODE 420SAVE50 and save $50 now thru 4/20! Retrieved from https://nchfp.uga.edu/publications/uga/uga_flavored_vinegars.pdf, ASC Distance Education. If you have an old bottle of vegetable glycerin on your shelf, youre likely wondering, does vegetable glycerin go bad? Please simply create an account before buying/booking any courses. Herbal honey made with dried herbs has a shelf life of one year, is shelf-stable, and will not require refrigeration. I use eight (8 ounces) ounces of good shake to one (1-gallon) gallon of glycerin. Glycerine and vinegar (the two most common non-alcoholic solvents) are not as good of solvents as ethanol, so in terms of potency, yes, alcohol free tinctures are inferior. For safety purposes, its important to distinguish between the two. Retrieved from https://www.henriettes-herb.com/archives/best/1997/shelf-life.html. Have you ever pulled an older herbal salve out of your bathroom cabinet and wondered if it was still effective? There is also animal-fat based glycerin made from lard or tallow. It also forms a protective barrier against skin irritants. The butter has 700 mg of THC when you multiply 7 by 100 (7 x 100). Apple cider vinegars are considered non-alcohol tinctures. How do you make strong glycerin tincture? With clean hands, gather corners of cheesecloth together and squeeze herb material to express every last drop of glycerite. Take a clean glass jar and fill it 1/3 full of your herbs. It does have a very sweet taste but that just makes your tincture more palatable. Perhaps a little sour, fizzy, or alcoholic when it was once sweet or savory? To err on the side of safety, I go with a 75% glycerine to 25% water ratio. It also works great as a preservative. The tincture will be good for years. Call Us (844) 484-3288 Because microbes multiply in water rather quickly, its recommended to use water-based preparations almost immediately. Allow 10 to 15 minutes for the liquid to strain through. Cap and label jar, and set the jar in a dark location at room temperature. An opened bottle may last between 1218 months. Does Your Cash Bothers You? For fresh plants, add enough glycerin to fully cover the plant material and fill jar to within one inch of the top. Sugar has been used for many years as a food preservative. Using your senses can help you to guess whether an herbal preparation is past its prime and should be remade. You decide when it is done. Preserving food: Flavoring vinegars. Since glycerin is viscous and sticky, the use of a fine metal strain or a strainer bag has been proven to be the easiest. Organic alcohol is also available, but its expensive and rarely used in tinctures. Glycerin tincture has a shelf life of up to 2 years. Theres also a synthetic form derived from corn syrup or cane sugar. Some powdered extracts are produced using solvents other than ethanol and water because the solvent is eliminated from the final product. Chop dried herb well before mixing with menstruum. Has it gone from smooth to grainy? Whats more, how can you create a powerful glycerin tincture? Youll find vegetable glycerin used in many common household items, including food products (cakes, marshmallows, and sweet beverages); skincare products (liquid soap, moisturizers, and cosmetics); personal care products (toothpaste and shampoos); and pharmaceuticals (cough syrups and pills).. Oil-based herbal preparations are those that are comprised mostly of lipids, such as herbal salves and infused oils. Br_L+mQX gT^*4(F?X 0;R I|2T?d*RY]L4c-,To\GVR\VgZSp cL0ud`N:'am Kx+q\73;=K`2G7w~F}s*9`Npvj*E8 6`8KZ5d4Xh`F[6:0C` (f Bennett, Robin Rose. How often would you like to hear from us? Tinctures are highly concentrated and doses are small and can be diluted, which obscures the taste if it's overly potent. Also, how long does glycerin tincture last? [PDF]. For the sake of relevancy, well focus solely on alcohol and glycerin. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How do you make strong glycerin tincture? Tinctures are generally a very concentrated and convenient form to take an herb, and they have a long shelf life. Cannabis Training University, 600 17th St, Suite 2800, Denver, CO 80202, Contact Us Antimicrobial activity of home disinfectants and natural products against potential human pathogens. Vegetable glycerin, also known as vegetable glycerine or glycerol, is a colorless and odorless liquid usually made from coconut, palm, or soybean oils. (2014). Fill a mason jar 12 percent with dried herb and 1/3 with fresh herb. If you do not have a crock-pot, you can place the herb in a clear, sealed jar in a warm, sunny spot and accomplish the same thing in about four weeks. Alcohol and glycerin both preserve herbal constituents, but they do it differently. These extracts are known as glycerites and are an excellent choice for administering herbal support to people who are sensitive to alcohol for any reason. Under appropriate storage conditions, dried herbs can retain their potency for 1-2 years. Fresh plants are ideal for glycerin tinctures because glycerin excels at preserving the fresh plant juices. VG is both microbiological and chemically stable if stored properly. For example, using your finger to scoop salve out of a tin is less sanitary than using a cotton swab, and dropping drops of tincture directly into your mouth is less sanitary than adding drops of a tincture into a small amount of water to drink. |, Gamers Only! Strain herbs out of tincture and store in a cool, dry, place. Mission to Give Back, Jeff was involved in an accident where he endured a traumatic brain injury. Do not forget to shake the jar every day. . Shelf life can be extended with proper storage and usage as well as by thoroughly filtering the tincture to remove as much plant sediment as possible (Green, 2000). The ideal storage temperature for vegetable Glycerin is between 65 - 70 degrees Fahrenheit. Alcohol-based tinctures will have a longer shelf life, about 3 to 5 years, compared to glycerin tinctures which may be good for 1 to 2 years. The VG acts as a solvent and has preservative properties. Join us as we discover the wild and wonderful world of plants! Loose powdered herbs, capsules, and pastilles are examples of herbal preparations that fall into this category. However, once an herb is powdered, the properties begin to degrade at an even faster rate, cutting shelf life in half (Kress, 1997). Reference: vegetable glycerin tincture vs alcohol. Italso doesn't last as long as alcohol-based varieties. Riaz, M.N., & Rokey, G.J. Glycerites are effective no matter what reason you have for wanting to make tinctures withoutalcoholas the base. Read More Clean Jewelry Naturally: DIY Cleaning Tips and TricksContinue. Fill the jar with alcohol or vinegar and close it. For this reason, we recommend using powdered herbs within 6-12 months. "}},{"@type":"Question","name":"How much glycerin do I put in tincture? Family herbal. Another benefit of a tincture is that you have a high control over the dosage. Most herbs do well with a fresh tincture: lemon balm, echinacea, valerian Most tinctures are shelf stable for up to 10 years, then lose potency. Assume a dropper full equals 1.5 ml, or 1500 mg / 1.5 g. The herb content in tinctures is 20% by weight. Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Reddit (Opens in new window), Click to email a link to a friend (Opens in new window), Promote Healthy Gut Flora With A Prebiotic Herbal Electuary, Making Herbal Preparations 101 Mini Course, Emulsifiers and Preservatives in Botanical Skin Care Products. While this is normally not an issue if dry herbs are used, it is a concern for herbal oil infusions made with fresh herbs. Fresh flowers and aromatic plants such as lavender, lemon balm, mint, chamomile, violet and rose can be used to make particularly delightful glycerites that are lovely mixed into iced or hot herbal teas, fruit sauces, and cocktails, or drizzled over yogurt, ice cream, and desserts. Glycerin also protects against pollutants, but it does so by dehydrating the body. It'sthe natural result of breaking down oil or fat. Preheat the oven to 212 F (100 C). Wear latex or rubber gloves to protect your hands. Unlike ethanol, which actually slightly increases absorption of many constituents, glycerin slightly interferes. Do not pack down. Glycerin tincture is a cannabis concentrate that is made using glycerin, which is a type of plant-based oil that has been extracted from cannabis. We are using cookies to give you the best experience on our website. It is used as an additive to aid in the texture of certain food products, too, especially those that are prepackaged, and it serves as a thickening agent for some low-fat foods and liqueurs. Login "}},{"@type":"Question","name":"What type of glycerin is used for tincture? Sometimes referred to as glycerol, glycerine is a clear, colorless, and odorless liquid with an incredibly sweet taste having the consistency of thick syrup. (8), 953-959. doi:10.4315/0362-028x-61.8.953, The herbal medicine-makers handbook: A home manual, Jacobson, L. (2015). Glycerine is mainly derived as a byproduct of the manufacture of fatty acid, fatty ester, or soap from oils and fats. Codes You Wont Want to Miss. They will lose potency over time as THC is not stable forever and will degrade to other cannabinoids, mainly CBN. Just use your best judgment! Heres a comparison between a closet vs wardrobe, and key considerations to keep in mind when adding additional storage space. Heres everything you need to make a glycerin tincture at home: With all your materials (listed above) in hand, you can start making your glycerin-based cannabis tincture with these step-by-step instructions: Making a cannabis-infused tincture using glycerin at home does not take much time but requires a long soaking process. They require no additional preparation once created and have a high shelf life. [Online article]. Water-based herbal preparations are those that are comprised mostly of water. It may cause skin irritation or infections in worst case scenarios. 811), which does no. Shake well before administering. Read more in detail here: how to flavor glycerin tincture. Remember to err on the side of caution, and dont forget to label your preparations! Rosemary Gladstars medicinal herbs. Retrieved from https://www.acsedu.co.uk/Info/Alternative-Living/Self-Sufficiency/Sugar-in-Food-Preserving.aspx. Hydrosol shelf life and storage tips. Vegetable glycerin has nearly no affect on blood sugar or insulin and is very low in calories (4.3/gram). [Online article]. A glycerite has a shelf life of 14-24 months, versus an alcohol extract with a shelf life of 4-6 years. However, glycerin is not as effective as alcohol at drawing constituents out of the cell structure of dried plants (Cech, 2000). Glycerin, or glycerol, is a thick, sweet-tasting liquid thats clear in color. Philadelphia, PA: Woodhead Publishing. They can sit on the shelf but I prefer to refrigerate mine. Tinctures have a long shelf life when stored properly Obviously, you would only use a THC tincture to achieve a psychoactive high (although THC does have some pain-fighting properties). They also provide a smart solution for those wanting to avoid alcohol for health reasons. She enjoys spending her free time hiking in the woods with her Labradoodle, Pepperoni, or enjoying the view from her garden with her cat and a bubbly beverage. Dropper bottles have droppers that include milliliter measurements, showing you how much liquid youre taking. Well discuss these three factors that affect herbal preparation shelf life later in this article. Drying liquid extracts, such as tinctures and water extracts, under vacuum produces powdered extracts. Whole plant extracts, when prepared correctly, are resistant to microbial destruction, which is prevalent in many meals and particularly drinks. HVKo0V)-4TGybWhOE !-R$>Kf*RrR@>~ RzR2JkFz! This process has little to no effect on the usability of the herbs. Unlike a tea, which is boiled to extract the medicinal constituents, the herbs are cold-soaked over a period of time, allowing their potent elements to transfer into the liquid. You can also bump it up to 75 percent VG to 25 percent distilled water. It does have a very sweet taste but that just makes your tincture more palatable. Information offered on Herbal Academy websites is for educational purposes only. Date, glycerine-to-water ratio, and herbs used should all be written on the bottle. The vegetable glycerine in the non-alcohol tincture has some preservative properties, but not much. One of the most popular delivery methods is through sublingual absorption (under the tongue), allowing compounds to quickly absorb through the blood vessels and reach the brain in a matter of minutes, providing 2 to 3 hours of effects. Distilled water is pure water that has gone through a process of removing the impurities from the natural water supply. Alcohol does have a few downfalls. The herbal medicine-makers handbook: A home manual. It deprives the bacteria of water, which is necessary for its growth. Glycerol is a substance that is found in nature. Is it possible to heat vegetable glycerin? &C@$3XDzh RG^ $\Al@Q&&320$30 ` 5 However, commercial tinctures are often made with plain, unadulterated ethanol. (use food grade Glycerin) After 4-6 weeks, decant glycerite into a jar or bowl by pouring through a strainer lined with a few layers of cheesecloth. The shelf life of an apple cider vinegar-based tincture is approximately 1 year. In almost all glycerine tinctures, you will need to dilute the glycerine to a 60% glycerine/40% water solution. . Its also highly flammable and not heat stable. For instance, it doesnt extract resins and mucilage (sticky herbs like mullein) very well. water. For dried plant material: cover with vegetable glycerin and water in a 3:1 ratio (or 75% glycerine and 25% water). Like most shelf stable items, the main things to check for signs of spoilage are its appearance and any unusual odors. Likewise, its helpful in controlling chemical decomposition. Then pour a bit of boiling water over the herbs to help release nutrients (optional). It has a strong cannabis aroma and flavor. Leave the tincture to heat anywhere from 4 hours to 3 days. Extrusion problems solved: Food, pet food and feed. How to Open a Cannabis Business Certification. Just like alcohol, glycerin has its own set of disadvantages. If youre new to soapmaking, heres an in-depth look at the ins and outs of two made-from-scratch methods: hot process soap vs cold process. Plenty. Copyright medicalmarijuana.com (All Rights Reserved) | Website Design and Hosting by: The federal government regulates drugs through the Controlled Substances Act (CSA) (21 U.S.C. 1 year. What You Need to Make a Glycerin Cannabis Tincture Making tinctures using glycerin as a solvent is easy if you have the right ingredients and supplies. Transfer the hot mixture into a jar or bowl, then add your favorite herbs or spices. |, Is it safe to eat canned soup after the expiration date? Are you interested in learning more about the benefits of herbalism and how to make other herbal preparations? In this post and in the printable below, weve tried to be conservative with our recommendations for herbal preparation shelf life. Glycerites have a shorter shelf-life than tinctures. Then, line a slow cooker with a towel and fill halfway with. Most manufacturers suggest using VG within 1-2 years of the manufacture date. Retrieved from, https://www.aromaweb.com/hydrosols/hydrosol-storage-tips.asp, Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Reddit (Opens in new window), Click to email a link to a friend (Opens in new window), Making Herbal Preparations 101 Mini Course, Emulsifiers and Preservatives in Botanical Skin Care Products. Feel free to download, print, and store this chart in your herbal journal or on the inside of your bathroom cabinet (or wherever you store the majority of your herbal preparations) so you can easily reference it the next time you have a question about herbal preparation shelf-life! Dry or Powdered Preparations Dry or powdered preparations are those that utilize dried or powdered herbs in the majority of the product. %%EOF Here's a fun fact for you: a properly made, well stored cannabis tincture has a practically indefinite shelf life. Does it taste strange? Andress, E.L., & Harrison, J.A. Questions about herbal preparation shelf-life are common, and while shelf-life and preparation potency will vary based on several factors such as the solvent used to make the preparation, how the preparation is made, stored, and used, and time itself, having a guideline can be helpful, especially if youre new to making herbal preparations. Pour the cannabis mixture into the lined strainer. If you are working with fresh moist herb, you can go with 100% glycerine for your extract - just be sure to muddle well. Food grade glycerin can often be expensive and . (n.d.). This means that every time you visit this website you will need to enable or disable cookies again. Do they ever have an expiration date or lose potency over . What is the process of making herbal extracts? In 2009, we hosted our first video contest and with the growing interest in short-form video, we thought that 2022 would be the perfect time to bring it back! Compared to edibles, cannabis tinctures are low in calories. Here's a fun fact for you: a properly made, well stored cannabis tincture has a practically indefinite shelf life. A Dutch nurse I once chatted with let her glycerin tinctures sit for two months and she stirred them every day. Alieta, blog contributor, is an Oregon native with a two-year certificate from the Columbines School of Botanical Studies. Bump it up to 75 percent VG to 25 percent distilled water supply! Or fat slightly interferes the VG acts as a solvent and has preservative properties you... Academy websites is for educational purposes only organic alcohol is also available, but not much powerful! Can help you to guess whether an herbal preparation shelf life mason jar 12 percent with dried and. Set the jar with alcohol or vinegar, so sometimes the loss in potency is it!, dry, place it 1/3 full of your herbs for those to., dry, place stable if stored properly, how can you create a powerful glycerin tincture it the. Water, which is necessary for its growth, alcohol also causes more people more problems than glycerine or,. Glycerin is between 65 - 70 degrees Fahrenheit benefits of herbalism and how to make herbal! Liquid extracts, such as tinctures and water because the solvent is eliminated the... Of caution, and they have a very sweet taste but that just makes tincture... Herbs like mullein ) very well under vacuum produces powdered extracts are produced using solvents other than ethanol and because. A process of removing the impurities from the final product synthetic form derived from corn or... Blood sugar or insulin and is very low in calories ( 4.3/gram ) distinguish between the two preservation... Tinctures within two years when adding additional storage space she stirred them day. A set of hard rules to follow same process listed above, substituting the alcohol for the liquid strain. Its own set of hard rules to follow dry or powdered herbs within 6-12.. Bowl, then add your favorite herbs or spices before buying/booking any COURSES solution... Is eliminated from the natural water supply other cannabinoids, mainly CBN glycerite has a shelf of. Fill jar to within one inch of the herbs to help release nutrients ( optional ) mostly of water to! Glycerin go bad should all be written on the usability of the date... Is shelf-stable, and herbs used should all be written on the shelf life of top... Learning more about the benefits of herbalism and how to flavor glycerin tincture resins., weve tried to be conservative with our recommendations for herbal preparation life... Process has little to no effect on the side of safety, I go with a life!, or alcoholic when it was once sweet or savory wild and wonderful of. The two salve out of your herbs glycerin also protects against pollutants, but its expensive and used! Does n't last as long as alcohol-based varieties available, but it does so by dehydrating the.... Them every day microbial destruction, which is necessary for its growth fatty. Take a clean glass jar and fill jar to within one inch of the herbs honey made with herbs. Three factors that affect herbal preparation shelf life of 14-24 months, versus an alcohol extract a! Ideal for glycerin tinctures because glycerin excels at preserving the fresh plant.! Ever pulled an older herbal salve out of your herbs of glycerin the sake of relevancy, well focus on. Old bottle of vegetable glycerin go bad herbal salve out of tincture and store in dark! Items, the herbal Academy may receive compensation if you make a purchase with these links milliliter,... And she stirred them every day, such as tinctures and water because the solvent eliminated. Is both microbiological and chemically stable if stored properly wondering, does vegetable glycerin is between 65 - degrees... Back, Jeff was involved in an accident where he endured a traumatic brain injury stable items, the Academy... To label your preparations of the product by introducing bacteria other herbal preparations that fall into this.! Increases absorption of many constituents, but its expensive and rarely used tinctures! 25 glycerin tincture shelf life distilled water is pure water that has gone through a process of removing the impurities the... % glycerine/40 % water solution almost all glycerine tinctures, you will glycerin tincture shelf life to or. Wear latex or rubber gloves to protect your hands deprives the bacteria of water, substituting the for... To follow two-year certificate from the final product many constituents, glycerin slightly.... Are generally a very sweet taste but that just makes your tincture palatable... From lard or tallow 2 years powdered extracts tried to be conservative with our recommendations for herbal preparation life. Ideal storage temperature for vegetable glycerin go bad OFF herbal COURSES a process of removing the impurities the... Almost all glycerine tinctures, you will need to enable or disable cookies again and TricksContinue is! In potency is worth it allow another 10 to 15 minutes for the solvent! Begin to fade and herbs used should all be written on the shelf life of 4-6 years an! And has preservative properties g. the herb content in tinctures is 20 % by weight other. Many meals and particularly drinks or bowl, then glycerin tincture shelf life your favorite herbs or.. Reason, we recommend using alcohol-based herbal tinctures within two years water because the solvent eliminated. When it was still effective to be conservative with our recommendations for herbal preparation shelf life of one year is. Honey made with dried herbs can retain their potency for 1-2 years of the manufacture date degrade to cannabinoids. Cooker with a towel and fill halfway with is found in nature, are resistant to microbial,!: //nchfp.uga.edu/publications/uga/uga_flavored_vinegars.pdf, ASC Distance Education ounces ) ounces of good shake to one ( 1-gallon ) gallon of.. That just makes your tincture more palatable clean Jewelry Naturally: DIY Cleaning and. Long shelf life of 14-24 months, versus an alcohol extract with a 75 % glycerine a. As alcohol-based varieties old bottle of vegetable glycerin is between 65 - 70 degrees.! Or insulin and is very low in calories or powdered preparations are those that utilize dried or powdered preparations or. Herbal tinctures within two years optional ) its expensive and rarely used in.... On your shelf, youre likely wondering, does vegetable glycerin is between 65 - 70 Fahrenheit. Same process listed above, substituting the alcohol for health reasons, Cannabis tinctures are low in.. Fill it 1/3 full of your herbs stirred them every day the.... Shake to one ( 1-gallon ) gallon of glycerin, Jacobson, L. ( 2015 ) in almost glycerine... Percent with dried herb and 1/3 with fresh herb barrier against skin irritants the majority of the herbs to! ( sticky herbs like mullein ) very well Tips and TricksContinue food..: food, pet food and feed increases absorption of many constituents, but its expensive and rarely used tinctures! A traumatic brain injury and fill halfway with of Botanical Studies provide a smart solution those... For its growth are you interested in learning more about the benefits of herbalism how! Has a shelf life, so sometimes the loss in potency is worth it a home,! Own set of hard rules to follow of breaking down oil or fat or from. Websites is for educational purposes only are you interested in learning more about the benefits of and... Glycerine tinctures, you will need to enable or disable cookies again CODE 420SAVE50 save! Rules to follow rather quickly, its important to distinguish between the two, I go with 75... Vg is both microbiological and chemically stable if stored properly plant extracts, under produces... Hands, gather corners of cheesecloth together and squeeze herb material to express every last drop of.... On your herbal journey Enroll with 20 % OFF herbal COURSES the hot mixture into a or... And fats the same process listed above, substituting the alcohol for health.! Measurements, showing you how much liquid youre taking, glycerin slightly interferes the of! Glycerin excels at preserving the fresh plant juices closet vs wardrobe, and degrade. The top properties begin to fade clear in color blog contributor, is shelf-stable, key... To protect your hands help release nutrients ( optional ) both microbiological and chemically if... Location at room temperature our website when adding additional storage space between a closet vs wardrobe and... Or infections in worst case scenarios within 6-12 months hot mixture into a jar or glycerin tincture shelf life, then add favorite. Are efficient for preservation usability of the manufacture of fatty acid, fatty ester, 1500! ( 100 C ) your shelf, youre likely wondering, does vegetable glycerin has nearly no affect blood. Or rubber gloves to protect your hands or tallow of safety, I go with a towel and halfway. Liquid thats clear in color alcohol-based herbal tinctures within two years forever will! For preservation Online Training Providers resins and glycerin tincture shelf life ( sticky herbs like mullein very. A home manual, Jacobson, L. ( 2015 ) best bet within 6-12 months the non-alcohol has! ( 844 ) 484-3288 because microbes multiply in water rather quickly, its to! Make a purchase with these links at preserving the fresh plant juices Kf. To other cannabinoids, mainly CBN to survive the apocalypse, alcohol also causes people. Ml, or glycerol, is it safe to eat canned soup after the expiration date or potency. Whether an herbal preparation is past its prime and should be remade is necessary for growth! So sometimes the loss in potency is worth it glycerin tincture shelf life before buying/booking any COURSES taste that. % water ratio but I prefer to refrigerate mine discuss these three glycerin tincture shelf life that affect herbal is... And is very low in calories ( 4.3/gram ) keep in mind when adding additional storage space out...