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NOW

Tri-Amino

2 Capsules · 60 servings · $0.25/serving

iHerbAmazon

Best for

Immune

Ingredients (3)

L-Ornithine

100%

Dose

400 mg

Target

400–2000 mg

Form

Premium

L-Lysine

45%

Dose

450 mg

Target

1000–3000 mg

Form

Premium

L-Arginine

28%

Dose

550 mg

Target

2000–6000 mg

Form

—

Other Ingredients (2)

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

How to Take It

Take it anytime

Take between meals — it competes with arginine for the same transporter.

On an empty stomach

On the label

Take 2 capsules daily with juice or water. Take before exercise or at bedtime.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$15.07

$10$20

Near the median of 53 lysine supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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