Niacin can be helpful. I've taken high doses of niacin before (never for ED) and be forewarned; it can make you itch your ass off. 1500 mgs seems to be fairly commonly recommended.
Niacin can be helpful. I've taken high doses of niacin before (never for ED) and be forewarned; it can make you itch your ass off. 1500 mgs seems to be fairly commonly recommended.
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