Amino acid supplements can improve immune health. Yet few consumers know what they’re made of.

The nonprofit AminoFacts reviews common brands of amino acid supplements for their immunity-boosting ingredients and their sourcing practices for mindful eating.

(ProNewsReport Editorial): – Chicago, Illinois, February 11, 2021 ( – As the COVID-19 pandemic has highlighted the importance of a strong immune system, AminoFacts, an independent non-profit organization based in the United States, which advocates transparency regarding food grade amino acids in dietary supplements, today released a review of supplement brands designed to boost immunity.

About 77% of U.S. consumers take supplements, according to a survey by the Advice for responsible nutrition. Meanwhile, 94% say it’s important for brands to be transparent about what their food is and how it’s made, according to a study by Label preview. Yet a recent survey conducted by AminoFacts suggests that only a third of consumers know how amino acid supplement products are source.

To help, AminoFacts, under the leadership of Board Member Clare Hasler-Lewis Ph.D., conducted an independent review of leading supplements for their immune properties and ethical sourcing.

Amino acids 101

Amino acids are organic compounds that combine to form proteins. The human body uses amino acids to make all the proteins in the body. There are three groups of amino acids: essential, non-essential and conditional. These are the essential amino acids that we need to get from our diet – they cannot be made by the body. There are nine essential amino acids and they are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.

Amino acids intended for the supplement market are either extracted from plants or animals, or manufactured synthetically. Plant sources include sugar cane, beets, peas, and corn. Animal sources can be made from meat and meat byproducts such as human hair, feathers, fish silage, blood, milk, and stomach contents.

Amino acids boosting immunity

Diets high in protein can help ensure that the body maintains the levels of certain amino acids. Diets that lack specific amino acids can lead to low white blood cell counts, inhibiting the body’s ability to fight disease. The following amino acids can strengthen key functions of the immune system:

L-Arginine and L-Citrulline help activate the body’s white blood cells, which detect, ingest and eliminate harmful foreign objects, including viruses.

  • Glutathione, L-cysteine, N-acetylcysteine ​​(aka NAC), and Cystine are antioxidants that help neutralize free radicals, which are unstable atoms that can damage cells, causing disease, aging and a host of illnesses.
  • Histidine helps reduce overactive allergic and inflammatory reactions to germs and other bacteria, which can cause the immune system to overreact and destroy healthy tissue and lead to autoimmune disease.
  • L-Glutamine is used when sick or injured because it helps kill invading pathogens by stimulating the production of white blood cells in key organs such as the liver. It is also essential for gut health, which impacts the immune system.
  • L-Lysine acts to relieve stress in the body to regulate the immune response.

A more conscious consumer

As the demand for supplements is high, the consumer is increasingly aware of the ethnic and natural supply of supplements. The labels on some popular amino acid supplements can be difficult to navigate – some make claims that are true for all products, and some are less than transparent about where their products come from and how they are made. For example, while amino acids from plants or animals are molecularly identical and just as effective, some manufacturers do not mention the sourcing of their products, which has ethical implications for consumers with style preferences. herbal life.

“Supplements can be a great way to make sure you’re getting the amino acids you need for optimal immune health,” said Clare Hasler-Lewis, Ph.D., board member, AminoFacts and co-founder and CEO of the natural supplement company. OlivinoLife, Inc. “But not all supplements are created the same. Many consumers may not be aware that their supplements are made with materials derived from animal parts and that many contain fillers and other additives. This begs the question: what are consumers supposed to think?

To help consumers reap the benefits of supplements while sticking to their values, AminoFacts has reviewed products which are blended immune solutions containing one or more amino acids as well as immune boosting vitamins and other natural products. , as well as individual amino acid supplements that can help maintain immune health. AminoFacts has contacted the manufacturers and reviewed the labels to determine which brands are the most animal and planet friendly. Some of the brands reviewed on include:


  • Pure Nature Immune Complex
  • Complete Immune Support Immune®
  • Carlson Glutathione Booster


  • Pure Encapsulations L-Lysine
  • NOW L-Arginine
  • Solgar L-Glutamine
  • Source Naturals L-Arginine L-Citrulline Complex
  • Swanson Free Form Lysine

“The supplement market is a bit behind the food industry in terms of providing consumers with specific and consistent information about what they are putting into their bodies,” said David Madsen, Ph.D. and member of the board of directors of AminoFacts. “It’s important for consumers to know what questions to ask and how to read labels to find answers. “

Amino Facts also offers all consumers the opportunity to submit their favorite brand to for an evaluation.

About AminoFacts

AminoFacts is an independent, non-profit organization that brings transparency to the sourcing and production processes around food grade amino acids, an important ingredient in many dietary supplements so consumers know more about what they’re putting on. in their body. The organization was formed in response to extensive public opinion research in the San Francisco metro area that showed little knowledge, even among those taking active supplements, about where amino acids come from and how they are made. . AminoFacts is dedicated to providing insight into industry sourcing and manufacturing trends, as well as insight into major U.S. brands. The organization’s advisors include experts in supplements, regulatory requirements and manufacturing processes for food grade amino acids, as well as scientists and leaders in the food and dietary supplement industries.

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