L-Arginine, 1000mg, 120 Tabs

What is L-Arginine and why is it considered conditionally essential?

L-Arginine is a basic amino acid that the body can usually produce ... but it becomes "conditionally essential" during times of stress, injury, growth, or high physical demands. It's critical for protein metabolism, DNA synthesis, urea cycle function (to eliminate ammonia), and as a precursor to nitric oxide (NO).

How does L-Arginine support nitric oxide production?

As a primary precursor to nitric oxide, L-Arginine helps promote healthy blood vessel dilation (vasodilation), which supports improved circulation, cardiovascular function, nutrient delivery, and overall performance ... making it popular for active lifestyles and heart health support.

What makes this Double Strength version different?

Each tablet provides 1,000 mg of L-Arginine (twice the amount found in the regular strength capsules) offering more potent support in fewer pills for those needing higher daily intake.

Who should consider taking NOW Foods L-Arginine?

Athletes, bodybuilders, people focused on cardiovascular health, circulation, muscle maintenance/recovery ... or anyone with increased amino acid needs due to intense exercise, stress, or dietary limitations.

How should I take it?

Take 1 tablet 2 times daily, preferably on an empty stomach or between meals for best absorption, or as directed by your healthcare provider. Many use it pre-workout or consistently for ongoing benefits.

Is it vegan and non-GMO?

Yes ... the tablets are vegetarian/vegan-friendly (no animal-derived ingredients), non-GMO, and produced under strict GMP quality standards.

Any precautions or side effects?

Generally well-tolerated, but high doses may cause mild digestive upset (like nausea or diarrhea) in some people. L-Arginine can interact with blood pressure medications, nitrates, or erectile dysfunction drugs. Consult your doctor before use if pregnant, nursing, or on specific medications.