✅Why choose Swanson Follow the directions on the product label. Vitamins & Minerals: Vitamin C, Vitamin D3, Zinc, Magnesium, Calcium, Iron, B-Complex, Biotin, Folate and more. Amino Acids & Proteins: L-Carnitine, L-Glutamine, L-Arginine, Collagen Peptides, and essential amino acid blends.
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