Dietary Supplement. 20 g collagen. Typical Amino Acid Profile (per 20g serving) (Amino Acid profile may vary): Alanine 1,800 mg; Arginine 1,587 mg; Aspartic acid 1,127 mg; Glutamic acid 1,933 mg; Glycine 4,740 mg; Histidine (Essential Amino Acids) 153 mg; Hydroxyproline 2,280 mg; Isoleucine (Essential Amino Acids) 304 mg; Leucine (Essential Amino Acids) 580 mg; Lysine (Essential Amino Acids) 760 mg; Methionine (Essential Amino Acids) 172 mg; Phenylalanine (Essential Amino Acids) 378 mg; Proline 2,720 mg; Serine 638 mg; Threonine (Essential Amino Acids) 386 mg; Tryptophan (Essential Amino Acids) 0 mg; Tyrosine 113 mg; Valine (Essential Amino Acids) 416 mg. Sustainably sourced. Science-backed. Joint & bone support. Glowing & hydrating skin. Grass-fed & pasture-raised. No added hormones. 20 servings. Feel the whole-body difference. Our Collagen Peptides provide essential building blocks to support your own collagen production. We only use collagen types I and III -the most common, naturally occurring types in the body-in effective, science-backed doses. These collagen types provide three amino acids that you won't find in meaningful amounts in other proteins. Why Bulletproof Collagen: Vitamin C to support new collagen production. Mixes easily in hot or cold drinks. Premium quality, thoughtfully sourced. We ethically source our collagen from grass-fed and pasture-raised cows without added hormones. Discover what better feels like. Bulletproof re-imagines nutrition with science-backed and thoughtfully sourced ingredients to create quality additions to your daily wellness routine. bulletproof.com. Tel: 1-844-640-3003. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or any disease.)