L-Norvaline
Arginase blocker. Keeps nitric oxide around longer. Evidence is mixed, so set expectations accordingly.
Verdict
4/10 Limited
Evidence
Grade B / 100+ Studies
The No-BS Summary
8 things. 60 seconds. Everything you need.
WHAT IT DOES
Arginase blocker. Keeps nitric oxide around longer.
DOES IT WORK?
4/10 Limited. Inhibits arginase enzyme that breaks down arginine. May extend pump duration. Limited human research but logical mechanism.
HOW MUCH TO TAKE
100-250mg pre-workout
COST
Mid-range. $35-50/month. Standard for most people.
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: limited_data. Otherwise, you're good.
HOW IT FEELS
Extended pumps. Best as part of pre-workout stack.
QUICK ANSWERS
+ 4 more questions
DOSE-RESPONSE CURVE
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