As with any supplement, start slowly and build up the dosage over time, and never stop abruptly either!

As with any supplement, start slowly and build up the dosage over time, and never stop abruptly either!  Read Less

The good thing is that those body-conscious types who are always looking for latest and greatest supplement which will help the...  Read More

The good thing is that those body-conscious types who are always looking for latest and greatest supplement which will help them build that six-pack have already been taking l-arginine in megadoses for years (in neighborhood of 35000/day!  Read Less

So , based on that, i have been taking, on and off, about 9000mg a day, with no side-effects, only good results.

So , based on that, i have been taking, on and off, about 9000mg a day, with no side-effects, only good results.  Read Less

This is great product-but no one tells you that you must take it with vit e and c otherwise you can have some side-effects.

This is great product-but no one tells you that you must take it with vit e and c otherwise you can have some side-effects.  Read Less

Really good product at a good price.

Really good product at a good price.  Read Less

The price is great for the amount you get.

The price is great for the amount you get.  Read Less

Please see important update at end (and comments in the comment section- i later found another brand of l-arginine that worked ...  Read More

Please see important update at end (and comments in the comment section- i later found another brand of l-arginine that worked well for me, along with high dosage vitamin d-3).  Read Less

Is probably just as effective as other brands.

Is probably just as effective as other brands.  Read Less

I am using a 500mg capsule of a different brand at the moment.

I am using a 500mg capsule of a different brand at the moment.  Read Less