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Copper uglies are a rare reaction where copper peptides seem to age skin rather than improve it, likely tied to raised MMP-1 levels that can break collagen down

MSM serves as an important source of bioavailable dietary sulfur, a mineral which plays a critical role in maintaining the integrity and elasticity of connective and other tissues

Because of acetylcholines impact on brain health, some Alzheimers patients take PC supplements to help manage their condition

(PubMed) Schoenen J, Jacquy J, Lenaerts M

Dietary PC is the main source of choline, an essential nutrient that supports lipid and amino acid metabolism and contributes to cell membrane structure (Tang et al