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Quick Specs Form: Lyophilized powder (blue to bluegreen copper complex) Purity: 99% by HPLC every batch Identity: MS molecularweight confirmed every batch CAS Number: 682809810 INCI Name: Copper Tripeptide3 Also Known As: AHKCu, AlanylHistidylLysine copper, AlaHisLys:Cu Structure: AlaHisLys tripeptide + copper(II) ion Molecular Formula: CHCuNO (HClsalt form differs) Molecular Weight: ~416.9 Da (copper complex) Mechanism: Copperbinding tripeptide

If you've given up all animal products, you should consider using fortified cereals or nutritional yeasts or taking a vitamin B12 supplement

Methionine is an essential amino acid that must be supplemented through ones diet

Note that organic versions of these products are not fortified with B12

Finally, consider taking a multivitamin or B-complex supplement to complement the effects of the B12 shot