He is using L-carnitine -- 541-15-1 -- Pharmacy Grade
Potassium Sorbate -- *****-5 -- Industrial Grade
Erythritol -- 149-32-6 -- food grade
β-Alanine (beta-alanine) -- 107-95-9 -- food grade
L-Arginine -- 74-79-3 -- food grade
L-Lysine MonoHCL -- 657-27-2 -- feed grade
L-Proline -- 147-85-3 -- food grade
L-Tyrosine -- 60-18-4 -- food grade
L-Serine -- 56-45-1 -- Pharma Grade
Niacinamide (Vitamin B3) -- 98-92-0 -- Industrial Grade
Sorbitol Liquid 70% -- 50-70-4 -- food grade