L-Norvaline

Arginase blocker. Keeps nitric oxide around longer. Evidence is mixed, so set expectations accordingly.

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Verdict

4/10 Limited

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Evidence

Grade B / 100+ Studies

The No-BS Summary

8 things. 60 seconds. Everything you need.

1

WHAT IT DOES

Arginase blocker. Keeps nitric oxide around longer.

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2

DOES IT WORK?

4/10 Limited. Inhibits arginase enzyme that breaks down arginine. May extend pump duration. Limited human research but logical mechanism.

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3

HOW MUCH TO TAKE

100-250mg pre-workout

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4

COST

Mid-range. $35-50/month. Standard for most people.

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5

FIRST 24 HOURS

Don't expect miracles on day one. It's building in your system.

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6

AFTER A FEW WEEKS

Most people notice something by week 2-3.

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7

SAFETY

One heads-up: limited_data. Otherwise, you're good.

8

HOW IT FEELS

Extended pumps. Best as part of pre-workout stack.

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The Breakdown

QUICK ANSWERS

Do I need to load?
Will it cause bloating?
Safe for kidneys?

+ 4 more questions

DOSE-RESPONSE CURVE

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