L-Arginine 5000

Arginine is an essential precursor of nitric oxide which helps maintain blood vessel tone.
Product: L-Arginine 5000
Brand: GNC (More Products)
Size: 10 oz
Dosage: Mix 2 scoops into 8oz of cold water
Retail: $29.99
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2 Customer Reviews

by Arunas

How to buy?

Good if you arent suseptable to cold sores
by Dave Stinkski

I used this as a pre workout supplement for 2 months 5-10g. I got a little better pump and i felt it help with my endurance during training. But after I had been taking it for a month and a half i read it can cause cold sore outbreaks and sure enough I got one the next week. Good product if u dont get cold sores. Also if u want to boost ur growth hormone it can help with that

1 Customer Opinions

gnc makes good products
by ellie owens

This will help build muscle if combined with l orthinine.