Micro #37

Micro #37-1 (malic acid and glycine).
Micro #37-2 (malic acid and glycine).
Micro #37-3 (citric acid and glycine).
Micro #37-4 (citric acid and glycine).
Micro #37-5 (citric acid and glycine).
Micro #37-6 (citric acid and glycine).