Plent Marine Collagen (Unflavoured) 300g Digestive [Typical assay 95% (OPC’s) oligomeric 24B [Typical assay 95% (OPC’s) oligomeric proanthocyanidins] You could even use the serum on painful joints if the pain is associated with inflammation Pure Marine Collagen is a tasty addition when mixed into smoothies Amino Acid Profile per 100 g Alanine 8300 mg Arginine 8900 mg Aspartic Acid 5100 mg Cystine 30 mg Glumatic Acid 11600 mg Glycine 19000 mg Histidine* 1300 mg Isoleucine* 1500 mg Leucine* 2600 mg Lysine* 3500 mg Hydroxylysine 1500 mg Methionine* 800 mg Phenylalanine* 2300 mg Proline 12600 mg Hydroxyproline 10500 mg Serine 3500 mg Threonine* 2700 mg Tyrosine 400 mg Valine* 2000 mg *Essential amino acids