On June 1, 2020, the FDA issued a warning letter to Morningstar Minerals LLC, which found the company's products, including Silver Boost, to be adulterated because they were prepared, packed, or held under conditions that violate Current Good Manufacturing Practices for dietary supplements.

These violations include failure to verify that finished batches of supplements meet product specifications and failure to prepare and follow a master manufacturing record to ensure uniformity across batches, as required by federal regulations.

In addition, statements made about the products Got Arginine? and Energy Boost 70 were found to be drug claims. For example, Got Arginine? was promoted with statements such as "can improve cardiovascular health and lessen symptoms related to strokes," and Energy Boost 70 was promoted with statements such as "Energy Boost 70's Minerals mineral complexes are the world's finest electrolyte, which... reduces high blood pressure... and helps rebuild the immune system."

Some of Morningstar Minerals' products are misbranded as well because they do not comply with the federal labeling requirements for dietary supplements.

See ConsumerLab's L-Arginine Supplements Review for tests of related products.

Also see ConsumerLab's answer to the question Is ingesting colloidal silver helpful for any condition and is it safe to use? I'm seeing it promoted for many applications for more information.

See related recalls and warnings:

Life Force Warned for Colloidal Silver, Nitric Oxide Claims

Seller of Tea, Colloidal Silver, Homeopathic Products Warned for Manufacturing Violations

Seller of NeuSilver Colloidal Silver for Adults, Children and Pets Warned by FDA

FDA Warns Consumers Not to Use Twelve Energy and Sexual Enhancement Supplements

Maker of B-12 Energy Supplement Warned for Manufacturing Violations

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