glycine propionyl-l-carnitine pharmaca Propionyl L-Carnitine with Swanson Propionyl L-Carnitine with Glycine,
Description
2004 May;20(5):607-17

doi: 10.1016/S2213-8587(16)30156-5

However, for smoothie recipes youre more likely to use a tablespoon of spirulina, which would put the arginine count at 0.28 grams

Renal failure 44, 20192027
