Gelatin is a protein derived from animal products and is used in food preparations. It is also commonly used in cosmetics and the pharmaceutical industry.

Researchers have found that gelatin has several benefits for your health and is particularly helpful in the management of diabetes and aids in the improvement of bone mass density in adults. This is why it is used for the management of osteoporosis and osteoarthritis and can be utilised as a supplement for postmenopausal women. Gelatin also has several uses for your hair and skin as it helps in improving their structure. It helps to reduce the appearance of fine lines and wrinkles on the skin and improves the thickness of hair follicles.

This article will explore these and many other benefits of gelatin after discussing some basic facts and its nutritional values.

Some basic facts about gelatin

Gelatin can be derived from a variety of animal sources, giving rise to different types. It can be extracted in a non-synthetic way from cattle bones, hides, pigskins, and fish, which are the primary commercial sources. Gelatin can also be synthetically modified or strengthened by the use of other agents. Following are its types:

  • Bovine gelatin
  • Porcine gelatin
  • Fish gelatin
  • Food grade gelatin
  • Edible gelatin
  • Kosher fish gelatin
  • Dry fish gelatin
  1. Nutritional facts about gelatin
  2. Health benefits of gelatin
  3. Gelatin uses
  4. Gelatin side effects

The many benefits of gelatin are due to its rich nutritional composition, which consists of:

The above values are for 100 grams of gelatin as per USDA database.

Being a rich source of animal proteins and calcium, gelatin has the following benefits for your health:

Gelatin for weight loss

Weight gain is one of the most common concerns of the modern day world, owing to unhealthy diet and lifestyle. While maintaining a calorie deficit and an increase in physical activity is what is imperative for weight loss, the inclusion of certain foods like gelatin can be helpful and amplify your weight loss process.

Studies have found that the inclusion of gelatin in the diet promotes better satiety, which means that it allows you to eat lesser. This will cease those binging sessions, which are responsible for weight gain. The effects of gelatin on the satiety are due to its high protein content, which helps to promote weight loss. When tried in obese individuals, gelatin assisted in improving adherence to planned weight-control diets, which is another way in which it is helpful.

It is important to note that while the inclusion of gelatin is certainly helpful for weight management, it is not entirely sufficient, as no long term beneficial effects have been observed with gelatin supplementation alone. So, it is important that you stick to your overall plan while also including gelatin in the diet.

(Read more: Weight loss foods)

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Gelatin for diabetes management

A rise in blood sugar levels beyond the range of normal is termed as diabetes. Since excessively high blood sugar levels have the potential to harm almost all body systems, it is important to keep them in check, which may be possible with the help of gelatin.

Gelatin functions by raising the serum levels of insulin, which reduces the concentration of glucose in the blood. The addition of gelatin in the diet of obese and diabetic individuals exhibited a favourable result following the intake of a meal. Thus, it aided in better diabetic control by reducing blood glucose levels and raising insulin levels after a meal, which is why their inclusion may be favourable. However, it is advisable to talk to your doctor before including gelatin in your diet in any form.

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Gelatin for the skin

Having flawless and glowing skin is the dream of many, which can be achievable with the help of a balanced diet and the employment of sufficient skin care measures. What more can be helpful is the inclusion of gelatin. Researchers have put forward several benefits of gelatin for your skin, which is attributable to its high protein content.

A clinical study aimed to investigate its actions divulged that the inclusion of gelatin significantly helps in reducing the appearance of wrinkles, fine lines and other signs of ageing on the skin. This was noticeable due to a reduction in the depth of the nasolabial fold (a crease or a fine line running from the edge of the nose to the side of the mouth). In addition to this, the use of gelatin also assisted to reduce dryness of the skin, which prevented the future appearance of these lines. These effects were recorded after 60 days supplementation with 50 ml of gelatin on a daily basis.

A significant increase in the density of collagen and the firmness of the skin was also noted, which is why it is suggested that supplementation with gelatin can help to counteract the signs of ageing. Best results were noticeable on the face, but, collagen also functioned for other parts of the body like the arms. To utilise from this benefit, you can increase the dietary intake of gelatin in moderate amounts.

Gelatin for hair and nails

Hair fall and brittle nails are common concerns, which mostly occur due to dietary deficiencies. Hair and nails are made of a structural protein called keratin, which helps to maintain their strength and structure.

Studies have found that the intake of gelatin enhances the process of keratinisation and it is thus conducive to the health of your hair and nails. The intake of gelatin protein has been ascertained to increase the diameter of the hair follicle, causing your hair to become thicker. Ingestion of gelatin also helps in improving the degree of hardness of finger and toenails. This is because it caters to increase the concentration of the amino acids essential in this regard.

Gelatin for osteoporosis management

Osteoporosis is a condition which is marked by a reduction in bone mass density and commonly affects postmenopausal women. As this happens, their bones tend to become soft and brittle, causing the condition to be painful and the bones being more prone to fractures. It has been found that dietary supplementation with gelatin can be useful in the treatment of osteoporosis. It helped to improve bone mass density as apparent by preclinical studies. An increase in the levels of type 1 collagen was also noted. These results were observable in animal models who suffered from a reduction in bone mass density due to a dietary deficiency of magnesium, which caused resorption.

Different results were obtained with the use of different types of gelatin. While the use of porcine gelatin aided an increase in the diameter of the cortical bone, the intake of fish gelatin significantly prevented a decrease in the trabecular bone mass density. This suggests that the intake of both these types of gelatin can be helpful and it is thus recommended to talk to your doctor about the type and dosage suitable for your condition.

Gelatin for osteoarthritis

Osteoarthritis refers to a joint disease that is caused due to the breakdown of cartilage and underlying bone. It is a painful condition and joint pain and stiffness are its common symptoms. It has been suggested that supplementation with gelatin can aid in the management of osteoarthritis. When used as a nutritional supplement, gelatin significantly helps in the maintenance of joint health as apparent by clinical studies. So, you can talk to your doctor about the dosage of gelatin for this benefit.

Gelatin for postmenopausal women

Women suffer from a wide range of health problems following menopause or cessation of the menstrual cycle. As the levels of the hormone estrogen decline, skin changes in the form of wrinkles, fine lines and thinning of skin are seen. Weight gain due to deficiency of estrogen is another common concern after menopause. But, the deficiency of estrogen can cause even more serious health concerns in postmenopausal women including an increased risk of fractures due to osteoporosis. The use of gelatin can be helpful in them as it takes care of most of these concerns. As discussed above, its inclusion in the diet significantly helps to reduce the risk of osteoporosis and also diminishes the appearance of fine lines and wrinkles. What’s more, is that gelatin helped to promote weight loss in cases of estrogen-deficient obesity. It also catered to modify the risk factors associated with this weight gain. It functioned by reducing the enlargement of adipocytes, which typically store fats, thus, preventing their storage in the body. So, it can be ascertained that gelatin is a useful supplement for postmenopausal women and it is recommended to talk to your doctor about the same.

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Other than the above-mentioned benefits, gelatin has a variety of uses in the pharmaceutical and food industry as it is commonly used as a thickening, binding and a gelling agent. It is used in the preparation of cakes and other bakery goods and for making soups and gravies. Other than its uses in the kitchen, the use of gelatin is also made as a safe and effective haemostatic agent (ceases bleeding) postsurgically.

Although gelatin has several benefits, it can also have some side effects if used immoderately or in higher dosages. These include the feeling of an unpleasant taste, bloating, belching, heartburn and digestive issues. Gelatin can also cause an allergic reaction in some, since it is a plant protein. This is why it is not recommended for pregnant and lactating women unless so prescribed and for all individuals. It is not advisable to go beyond a dosage of 10 grams per day. Some studies have even reported changes in the lipid profile and in the levels of glucose and calcium in the blood, thereby long term use is not suggested.

References

  1. National Organic Standards Board Technical Advisory Panel Review. Gelatin processing. March 1, 2002 ,Organic Materials Review Institute for the USDA National Organic Program
  2. United States Department of Agriculture. Basic Report: 19172, Gelatin desserts, dry mix. National Nutrient Database for Standard Reference Legacy Release; Agricultural Research Service
  3. Hochstenbach-Waelen A, Westerterp KR, Soenen S, Westerterp-Plantenga MS. No long-term weight maintenance effects of gelatin in a supra-sustained protein diet.. 2010 Sep 1;101(2):237-44. PMID: 20457173
  4. Rubio IG, Castro G, Zanini AC, Medeiros-Neto G. Oral ingestion of a hydrolyzed gelatin meal in subjects with normal weight and in obese patients: Postprandial effect on circulating gut peptides, glucose and insulin.. 2008 Mar;13(1):48-53. PMID: 18319637
  5. Maryam Borumand and Sara Sibilla. Daily consumption of the collagen supplement Pure Gold Collagen reduces visible signs of aging. 2014; 9: 1747–1758. PMID: 25342893
  6. Morganti P, Bruno C, Colelli G. Gelatin-cystine, keratogenesis and structure of the hair. 1983 Jan 31;59(1):20-5. PMID: 6189501
  7. Nomura Y, Oohashi K, Watanabe M, Kasugai S. Increase in bone mineral density through oral administration of shark gelatin to ovariectomized rats.. 2005 Nov-Dec;21(11-12):1120-6. PMID: 16308135
  8. Noma T, Takasugi S, Shioyama M, Yamaji T, Itou H, Suzuki Y, Sakuraba K, Sawaki K. Effects of dietary gelatin hydrolysates on bone mineral density in magnesium-deficient rats . 2017 Sep 5;18(1):385. PMID: 28870199
  9. Kumar S, Sugihara F, Suzuki K, Inoue N, Venkateswarathirukumara S. A double-blind, placebo-controlled, randomised, clinical study on the effectiveness of collagen peptide on osteoarthritis.. 2015 Mar 15;95(4):702-7. PMID: 24852756
  10. Chiang TI, Chang IC, Lee HH, Hsieh KH, Chiu YW, Lai TJ, Liu JY, Hsu LS, Kao SH. Amelioration of estrogen deficiency-induced obesity by collagen hydrolysate. 2016 Oct 19;13(11):853-857. PMID: 27877077
  11. Djagny VB, Wang Z, Xu S. Gelatin: a valuable protein for food and pharmaceutical industries: review.. 2001 Sep;41(6):481-92. PMID: 11592686
  12. Hameed AM, Asiyanbi-H T, Idris M, Fadzillah N, Mirghani MES. A Review of Gelatin Source Authentication Methods. 2018 Jul;29(2):213-227. PMID: 30112151
  13. Ma L, Dai L, Yang Y, Liu H. Comparison the efficacy of hemorrhage control of Surgiflo Haemostatic Matrix and absorbable gelatin sponge in posterior lumbar surgery: A randomized controlled study.. 2018 Dec;97(49):e13511. PMID: 30544449
  14. MedlinePlus Medical Encyclopedia: US National Library of Medicine; Gelatin
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