LabelDose

← All brands · data verified 2026-07-18

Irwin Naturals

Irwin Naturals label-dose audit: 2 clinically dosed, 18 under clinical dose, 19 undisclosed — from NIH label data.

Ashwagandha (16)

Irwin Naturals — Active-Male L-Arginine MAX3 + Horny Goat Weed120 mgIrwin Naturals — Concentrated Maca Root and Ashwagandha100 mgIrwin Naturals — Daily-Multi Testosterone Up675 mgIrwin Naturals — L-Arginine + Horny Goat Weed120 mgIrwin Naturals — Less-Stress Weight Support150 mgIrwin Naturals — Libido-Max for Active Men100 mgIrwin Naturals — Magnesium + Ashwagandha125 mgIrwin Naturals — Optimum-Strength Testosterone UP PRO-GrowtH600 mgIrwin Naturals — Power to Sleep PM 6 mg Melatonin150 mgIrwin Naturals — Steel-Libido For Women234 mgIrwin Naturals — Steel-Libido Peak Testosterone675 mgIrwin Naturals — Steel-Libido Pink For Women62.5 mgIrwin Naturals — Stress-Defy Sleep PM120 mgIrwin Naturals — Testosterone-Extra Fat Burner337.5 mgIrwin Naturals — VO2 Max Performance Fat Burner300 mgIrwin Naturals — Yohimbe-Plus Maximum Enhancement200 mg

Citrulline (9)

Irwin Naturals — Active-Male Brain Awake MAX3 + Nitric Oxide Booster750 mgIrwin Naturals — Beet Root RED1.5 gIrwin Naturals — Fenugreek RED1.5 gIrwin Naturals — Keto-Karma Burn Fat Red750 mgIrwin Naturals — Nitric Oxide Pre-Sport With L-Citrulline750 mgIrwin Naturals — Prosta-Strong RED1.5 gIrwin Naturals — Steel-Libido RED1.5 gIrwin Naturals — Testosterone Mega-Boost RED1.5 gIrwin Naturals — Testosterone UP RED1.5 g

Collagen (4)

Irwin Naturals — Collagen Beauty2.5 gIrwin Naturals — Collagen Peptides + Astaxanathin1.25 gIrwin Naturals — Deep Tissue Collagen-Pure2 gIrwin Naturals — Liquid Collagen Tropical Strawberry & Kiwi Flavored4 g

Creatine (1)

Irwin Naturals — Triple-Boost Caffeine-Free Energy400 mg

Magnesium (5)

Irwin Naturals — EstroPause200 mgIrwin Naturals — Magnesium + Ashwagandha150 mgIrwin Naturals — Menstrual Relief Hormone Balance25 mgIrwin Naturals — Power to Sleep PM12 mgIrwin Naturals — Turmeric After-Sport With Magnesium150 mg

Tongkat Ali (4)

Irwin Naturals — Libido-Max for Active Men50 mgIrwin Naturals — Testosterone Mega-Boost RED100 mgIrwin Naturals — Testosterone UP100 mgIrwin Naturals — Testosterone UP RED100 mg

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