
Arginine has been a staple in my pre-workout supplement kit for years . I recently switched from the GNC brand to BulkSupplements because GNC discontinued Arginine at 5g per serving. The GNC brand has been flavored and this one has not, but that means this product is pure arginine, not arginine mixed with flavors. Unfortunately, this also means that the taste of the product is terrible. I personally don't mind because I drink it anyway without thinking about the taste. I take 10g of this powder along with 6g of citrulline malate pre-workout and at least at this concentration, arginine hydrochloride tastes very much like fish water. increased vascularity when taking this product versus when not taking it. I will continue to buy this product because I feel that while it tastes awful (all pure Arginine HCL products) this is the most effective and affordable type of Arginine HCL currently on the market.

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