Vegetable glycerin is usually vegan, but yeasts or bacteria may be used during the purification process. Synthetic glycerin is vegan. Animal protein is not vegan. Is glycerin syrup appropriate for diabetics?
Currently, the effect of glycerin on blood glucose levels is not known; it may be similar to the effect of table sugar. Save my name, email, and website in this browser for the next time I comment.
The information on this site is for educational purposes only and should not be considered diagnostic or medical advice. What is glycerin? Side Effects, Dangers Glycerin as a sweetener used in foods does not likely cause any side effects. Liquid Glycerin Syrup and Cooking Picture 2. Physical and chemical properties Sources and types Soft, hard, alkaline and acidic water Functions, absorption and excretion How much do you need to drink per day?
Dehydration Water intoxication Water retention Water disinfection. It is said to have been accidentally discovered more than two centuries ago by heating a mixture of olive oil and lead monoxide. But it only became economically and industrially significant in the late s when it was first used to make dynamite.
Vegetable glycerin is made by heating triglyceride-rich vegetable fats — such as palm , soy and coconut oils — under pressure or together with a strong alkali, such as lye. This causes the glycerin to split away from the fatty acids and mix together with water, forming an odorless, sweet-tasting, syrup-like liquid. Vegetable glycerin is a slightly sweet, syrupy liquid made by heating vegetable fats under pressure or together with a strong alkali.
For instance, it is often added to foods to help oil and water-based ingredients mix, sweetening or moistening the final product. It can be also used to prevent ice crystals from forming in frozen foods, such as low-fat frozen yogurt , ice cream and other desserts. Glycerin is a common ingredient in pharmaceutical drugs, including heart medication, suppositories, cough remedies and anesthetics.
Additionally, you can find vegetable glycerin in toothpaste, as it helps prevent the toothpaste from drying out or hardening in the tube. Vegetable glycerin has several uses. The most popular are cosmetics, pharmaceutical drugs and food products. However, only a few benefits are supported by science — and the related studies tend to be few and small.
Keep in mind that more studies are needed on its health benefits. Research shows that applying glycerin to your skin may gradually improve its smoothness and suppleness. In fact, using creams containing glycerin may increase skin hydration in as few as 10 days 1 , 2. In one study, a cream made from glycerin was more effective than those made from silicone oil or hyaluronic acid at hydrating skin and preventing loss of moisture 3. In another study, adding glycerin to a warm water bath was more effective at improving skin moisture levels and protecting against skin irritation than a warm water bath alone 4.
Vegetable glycerin may lead to better skin health by helping soothe skin irritation, protect against infection and promote wound healing. Studies show that applying glycerin-containing products may protect your skin against irritants and microbes, as well as soothe inflamed or wounded skin 5 , 6. Moreover, vegetable glycerin may act as a barrier to safeguard your skin from the elements, including wind and cold 5.
Another study reports that vegetable glycerin may be more effective than a placebo at reducing sensations of smarting in people with eczema. However, it appears to have no effect on stinging, itching, drying or irritation 7. Vegetable glycerin may provide some relief from constipation. This has a laxative effect , which helps digested food move through your gut more smoothly. In one study, glycerin suppositories were significantly more effective at reducing constipation caused by pain-killing medication than other types of laxatives 8.
In another, a glycerin enema was In , the U. People can also use glycerin in food products. For example, glycerin can act as a preservative and sweetener in food and drinks. Additionally, manufacturers may also add glycerin as a humectant, meaning to help food retain moisture. In the pharmaceutical industry, manufacturers use glycerin as a lubricant and humectant. They typically include glycerin in cough syrups, ointments, expectorants, anesthetics, and lozenges.
Manufacturers may also include it in capsules for drugs. While more research is necessary, the potential health benefits of vegetable glycerin may include:. As glycerin is a humectant, it can help skin retain moisture. Glycerin is able to diffuse into a layer of the skin known as the stratum corneum , making it an effective moisturizer. For this reason, many manufacturers add glycerin to topical products. A study notes that glycerin is effective for alleviating skin dryness, while another study suggests that it can also help to improve the barrier function of the skin.
Retaining moisture and maintaining skin barrier function are important for sustaining skin health. While more research is necessary, a mouse study also suggests that glycerin may possess anti-irritant and anti-inflammatory properties. As glycerin has a laxative effect , people can use it to relieve constipation. When a person administers glycerin rectally, it helps to lubricate the rectum and soften stools. It draws water towards the hardened stool and helps the bowel muscles to contract more effectively.
Although research is scarce, some evidence suggests that vegetable glycerin may have some benefits on athletic performance. Fluid loss can have a detrimental impact on athletic performance, which is why maintaining hydration is important. People typically lose fluids through sweat or urination. When a person consumes glycerin, it can help enhance fluid retention and decrease the volume of urine. One older study notes that consuming glycerin may help to improve athletic performance, but may cause an increase in body weight.
Other research notes that consuming creatine and glycerin may help endurance runners reduce strain on their cardiovascular system. However, this study also notes that it may increase body weight due to fluid retention. Another older, small study of nine athletes suggests that glycerin is more effective for rehydration than water, a sports drink, or saline.
It found the best effects with a combination of IV fluids and oral glycerol. However, the study found that it did not significantly improve exercise performance. While glycerin is generally safe and non-toxic, a person who consumes it orally may have some side effects.
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