Irwin Naturals
Is Irwin Naturals third-party tested?
Yes — as of 2026-08-17, Irwin Naturals holds 26 third-party certifications across 1 independent testing program: NSF (dietary supplement certification). Every certification below links to the certifying body's official listing so you can verify it at the source.
Registries checked (as of 2026-08-17): Informed · NSF · USP · Labdoor · BSCG
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2-IN-1 Kidney & Liver Super Cleanse
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Brain Awake
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CLA Lean Body Fat Reduction
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CoQ10-RED
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Collagen Beauty
collagen · Softgel -
Deep Tissue Collagen-Pure
collagen · Softgel -
Double Potency 5-HTP Extra
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Extra Strength Colon Flush
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Global Wellness Immuno-Shield with Sambucus Elderberry
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Green Tea Fat Burner Walmart
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Healthy-Flow Saw Palmetto
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Immuno-Shield All Season Wellness
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Liquid Collagen Skin Revitalization
collagen · Liquid -
Liver Detox & Blood Refresh 60ct
— · Softgel -
Max-Active Boswellia Curcumin + BioPerine®
turmeric · Softgel -
Milk Thistle Liver Detox
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Nitric Oxide Pre•Sport
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Power to Sleep PM 6mg Melatonin
melatonin · Softgel -
Prosta-Strong RED
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Pure Defense Mushroom 8 Immune Support
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Rhodiola-Plus
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Sleep Calm Relax Good Mood Sleep PM
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Stored-Fat Belly Burner
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Stress-Defy
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Sunny Mood with Rhodiola
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Urgent Rescue Mega Vita-C with Rosehips and Zinc
zinc · Softgel