Top Zinc Carnosine Brands You Need to Know

Zinc carnosine, a unique combination of zinc and L-carnosine, has been gaining attention for its potential benefits in digestive health and support. Many health-conscious consumers are searching for the best brands that offer high-quality supplements containing this compound. Some companies focus on the purity and bioavailability of their formula, ensuring the optimal results for gut healing and protection. Below, we've compiled a list of reputable brands that consistently deliver excellent zinc carnosine supplements to meet your wellness needs.

Illustration of zinc carnosine

Best brands of zinc carnosine in 2025

Doctor's Best

Doctor's Best is a well-regarded producer of Zinc Carnosine, offering PepZin GI, a patented complex that combines 16mg of zinc with 75mg of zinc-L-carnosine (containing 59mg of L-carnosine). This supplement has been used since 1994 in Japan for supporting stomach health, promoting healthy mucus secretions in the stomach, and helping maintain a balanced bacterial environment in the GI tract, with the zinc component being 22% of the chelated compound. Additionally, this supplement is vegan, non-GMO, gluten-free, and soy-free.

Jarrow Formulas

Jarrow Formulas is a reputable brand offering L-Carnosine, a dipeptide antioxidant, with each serving of 2 veggie capsules delivering 1000mg, supporting mitochondrial health in the brain, heart, skin, muscles, kidneys, and stomach. It is suitable for vegans and vegetarians as it's made without wheat, gluten, soybeans, dairy, egg, fish/shellfish, or peanuts/tree nuts and is non-GMO. Jarrow Formulas also offers Zinc Balance, which combines Zinc L-Methionine and Copper Gluconate in a 15:1 ratio to promote antioxidant activity and immune system support.

Swanson

Swanson is a reputable producer of zinc carnosine, offering a supplement called Swanson Ultra Zinc Carnosine (PepZinGI), which combines zinc and the amino peptide L-carnosine to support gastric health by strengthening the stomach's mucosal lining and promoting digestive balance; this product contains 22% zinc and 78% L-carnosine and has been used safely for a long time, since 1969 when they first produced supplements, to improve digestive health issues, with many users noting its effectiveness in alleviating stomach discomfort; Swanson's formula is chelated to survive stomach acid, and they recommend taking one capsule two to three times per day with water.

Source Naturals

Source Naturals is a well-regarded brand producing zinc carnosine, a compound containing approximately 23% zinc and 77% L-carnosine, designed to support the gastrointestinal system by protecting its mucous membrane and aiding in the repair of damaged epithelial cells. Their GastricSoothe product provides 75mg of zinc carnosine complex per two-capsule serving, delivering 16mg of elemental zinc. It is often suggested to take two capsules twice daily for at least 8 weeks for best results, with studies showing it helps with overall stomach health and may even reduce villus shortening by 50%. Source Naturals products are free of common allergens such as yeast, dairy, egg, gluten, soy, and wheat, and they are available in 30, 60, and 120 capsule bottles. You can find their GastricSoothe product on their website.

Metagenics

Metagenics is a reputable brand that produces Zinlori 75, a high-potency zinc-carnosine complex supplement with 75mg of zinc-carnosine per tablet, providing 17mg of elemental zinc. It is designed to support gastrointestinal health, maintain stomach lining integrity, and relieve minor stomach discomfort. It is often recommended to take two tablets daily between meals for optimal results, and it is considered a top-quality health solution, enhancing natural protective mechanisms in the gastrointestinal tract and aiding in maintaining a healthy microbial balance.

Life Extension

Life Extension is a high-quality brand, offering a specialized form of zinc carnosine, known as PepZinGI, which provides 16.5 mg of zinc from 75 mg of zinc L-carnosine per serving, and studies show that this particular formulation significantly reduces gastric discomfort in just 8 weeks, as it promotes a healthy stomach lining and environment by encouraging the production of protective mucous. This brand is also known for its rigorous testing process and high manufacturing standards. Life Extension's Gastro-Ease product also contains a patented strain of Lactobacillus reuteri which further promotes a balanced stomach environment. You can find their Gastro-Ease product here.

Pure Encapsulations

Pure Encapsulations is a top producer of zinc carnosine, offering a patented 1:1 chelate of zinc and l-carnosine, with 16mg of zinc and 58mg of carnosine per 75mg complex. Studies, including one with 299 subjects over 8 weeks, have shown this formulation to support gastric health by adhering to the stomach lining, providing antioxidant protection, buffering gastric acid, and maintaining healthy cytokine release. This vegan and gluten-free product is part of their PureGI line, with a suggested use of 1-2 capsules daily with meals. For more information, visit the Pure Encapsulations website.

NOW Foods

NOW Foods is a well-known brand in the natural products industry, offering a range of supplements, including L-Carnosine 500mg vegetarian capsules, and their Gastro Comfort product which includes PepZin GI™, a proprietary form of zinc complexed with carnosine, that supports a healthy stomach lining; additionally, NOW Foods emphasizes using nature-identical molecules, some synthesized, for higher purity and cost-effectiveness, maintaining a commitment to affordability and quality in their products, and they were established in 1968 by Elwood Richard.

Solgar

While Solgar is a well-known brand producing various zinc supplements, they do not appear to have a dedicated zinc carnosine product, instead offering other forms of zinc such as zinc picolinate and zinc gluconate; however, other brands like Doctor's Best and Integrative Therapeutics offer zinc carnosine supplements utilizing the PepZinGI® brand, a patented complex of zinc and L-carnosine, typically with a 75mg dose per capsule, providing 16mg of elemental zinc, which supports a healthy gastrointestinal lining and helps with occasional gastric discomfort, with studies showing its efficacy for oral mucositis and GI disorders. You can explore the product offered by Integrative Therapeutics.

Thorne Research

While Thorne Research is a reputable brand known for its high-quality supplements, they do not appear to offer a dedicated zinc carnosine product; instead, they provide options like zinc picolinate and zinc bisglycinate, which are different forms of zinc. However, other brands like Integrative Therapeutics utilize the patented PepZin GI® form of zinc carnosine, containing 75mg of zinc carnosine per capsule, which provides 16mg of elemental zinc, often used to support gastrointestinal health. Zinc carnosine, a combination of zinc and L-carnosine, has been shown in studies to be beneficial for gut health and immune support, with a typical dose of one 75mg capsule twice daily, and has been demonstrated to assist with gastric ulcers and inflammation.