L-Arginine (NOW)

User rating
4.2
out of 5
25 user reviews

0 forum posts

Support this site, buy L-Arginine from affiliate retailers (see all L-Arginine prices and serving sizes):

Format Store Notes Price/serving Price
250 Capsules
Bodybuilding.com
Shipping: Flat rate - $5.99 (up to 40 lb)
5% off new customers: Code - NewCustomer5PerOff
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$0.09 $11.48
120 Tablets
I'll Pump You Up
5% off any order: Code - SubstanceReviews $0.09 $10.95
120 Tablets
Bodybuilding.com
Shipping: Flat rate - $5.99 (up to 40 lb)
5% off new customers: Code - NewCustomer5PerOff
Other coupon codes on the left side of this page
$0.10 $12.32


L-Arginine (NOW)

L-Arginine is a popular amino acid for its amazing nitrogen retention ability. Nitrogen as you are all aware is one of the key elements in muscle protein synthesis. Some plants can absorb nitrogen, but we mammals have to make do with the stuff we make ourselves. Arginine is mostly present in protanines and histones, two proteins commonly associated with nucleic acids (like DNA and RNA). So far its main use was for newborns to excite new growth, because at a young age it's difficult to manufacture enough. It enhances the immune system, stimulates the size and activity of the Thymus gland (responsible for the fames T-cells) which makes it a prime choice for anyone in a condition that is less than optimal for health.

100% Pure - Free-Form
Pharmaceutical Grade (USP)
Vegetarian Product

Average user rating from: 25 users

Overall rating
4.2
Vascularity (3 ratings)
5.0
Physical energy (1 rating)
0.5
Recovery ability (1 rating)
5.0
Pump (14 ratings)
4.7
Aggression (1 rating)
5.0
Value for money (14 ratings)
5.0
Reported side effects (adverse events)

None yet
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