L-Arginine
Original pump amino. Broken down before it helps. Evidence is mixed, so set expectations accordingly.
Verdict
5/10 Mixed
Evidence
Grade B / 100+ Studies
The No-BS Summary
8 things. 60 seconds. Everything you need.
WHAT IT DOES
Original pump amino. Broken down before it helps.
DOES IT WORK?
5/10 Mixed. Nitric oxide precursor with poor bioavailability. Most gets destroyed in gut. Citrulline works better for actual NO production.
HOW MUCH TO TAKE
3-6g daily
COST
Budget-friendly. $20-35/month for quality brands.
FIRST 24 HOURS
Don't expect miracles on day one. It's building in your system.
AFTER A FEW WEEKS
Most people notice something by week 2-3.
SAFETY
One heads-up: herpes_caution. Otherwise, you're good.
HOW IT FEELS
Mild pumps at best. Citrulline feels stronger.
QUICK ANSWERS
+ 4 more questions
DOSE-RESPONSE CURVE
How effective is creatine monohydrate at different doses? Here's what the research shows.