Amino Acids & Choline
Groups protein-building amino acids with carnitine and choline-related nutrients involved in fatty-acid transport, cell-membrane structure, methyl metabolism, and neurotransmitter synthesis.
Narrow by ingredient, form, or use.
Each group keeps closely related formulations together so strengths and forms are easier to compare.
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12 products
Choline, Citicoline & Phosphatidylserine
Choline bitartrate, alpha-GPC, citicoline, and phosphatidylserine contribute choline or membrane phospholipids used in acetylcholine synthesis, methyl metabolism, and neuronal signaling.
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15 products
Essential Amino Acids & BCAAs
Includes essential-amino-acid blends, branched-chain amino-acid combinations, and individual leucine, isoleucine, or valine—indispensable amino acids used in protein synthesis and tissue maintenance.
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36 products
Glutamine & Individual Amino Acids
Individual glutamine, arginine, citrulline, lysine, aromatic amino acids, glycine, taurine, serine, and methionine serve distinct roles in protein, nitric-oxide, neurotransmitter, and intermediary metabolism.
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6 products
L-Carnitine Supplements
Contains L-carnitine and acetyl-L-carnitine, compounds central to mitochondrial fatty-acid transport and cellular energy metabolism that differ in chemical form and tissue distribution.
