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Tuesday, September 8, 2026

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Author

Gordon Fielding

Contributing Writer

Gordon Fielding covers Analysis, Supplements and Science.

Articles by Gordon Fielding

How are dietary supplements actually regulated?

How are dietary supplements actually regulated?

Gordon Fielding

Unlabeled capsules and powder on a pale seamless background

What does creatine actually do? The evidence, weighed

Gordon Fielding

Infographic timeline of stimulant substitutions from DMAA to DMHA

DMHA, higenamine and the hidden stimulants on banned lists

Gordon Fielding

Doping control officer collecting sealed sample in athletes' area

Contamination and banned substances in supplements: what the data show

Gordon Fielding

Close-up of white crystalline beta-alanine powder on glass dish

Beta-alanine meta-analyses converge: real gains, narrow window

Gordon Fielding

Shopper comparing two supplement labels side by side in store aisle

Proprietary blends: what supplement labels are allowed to hide

Gordon Fielding

Microscopic mineral crystals texture inside whey powder scoop close-up

Heavy metals in protein powders: what the testing found

Gordon Fielding