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Pipette Dropping A Sample Into A Test Tube

Third-Party Tested Supplements: What a Lab Repo...

Third-party tested supplements explained by a researcher: what the testing covers, how to read a COA, and where lab reports stop.

Third-Party Tested Supplements: What a Lab Repo...

Third-party tested supplements explained by a researcher: what the testing covers, how to read a COA, and where lab reports stop.

worker pouring ingredients into hopper

What Is a Proprietary Blend? A Researcher Expla...

What is a proprietary blend? I explain what the label hides, what lab testing shows, and why my own formula stays proprietary.

What Is a Proprietary Blend? A Researcher Expla...

What is a proprietary blend? I explain what the label hides, what lab testing shows, and why my own formula stays proprietary.

Glass cup with fresh green tea

Decaffeinated Green Tea Extract: What Comes Out...

Decaffeinated green tea extract still contains caffeine. See what the label percentages mean, what the process removes, and what a small dose does.

Decaffeinated Green Tea Extract: What Comes Out...

Decaffeinated green tea extract still contains caffeine. See what the label percentages mean, what the process removes, and what a small dose does.

Dr Lewis Nutrition EGCG bottle

EGCG Benefits: Absorption and Liver Safety Pull...

EGCG benefits come mostly from cell studies. Human absorption is poor, and the one change that raises it also raises liver risk.

EGCG Benefits: Absorption and Liver Safety Pull...

EGCG benefits come mostly from cell studies. Human absorption is poor, and the one change that raises it also raises liver risk.

Pile of turmeric rhizomes with leaves on wooden table

Tetrahydrocurcumin vs Curcumin: Most of That Re...

Tetrahydrocurcumin vs curcumin is sold as settled science. I report what was measured, in which species, and where the human evidence stops.

Tetrahydrocurcumin vs Curcumin: Most of That Re...

Tetrahydrocurcumin vs curcumin is sold as settled science. I report what was measured, in which species, and where the human evidence stops.

Dr Lewis Nutrition Curcumin bottle

Liposomal Curcumin: How to Read an Absorption C...

Liposomal curcumin is sold on absorption numbers. I explain what the human trials measured, where they agree, and where they do not.

Liposomal Curcumin: How to Read an Absorption C...

Liposomal curcumin is sold on absorption numbers. I explain what the human trials measured, where they agree, and where they do not.