Third-Party Tested Supplements: What NSF, USP and Informed Seals Verify and How to Check a Bottle
290 banned substances for NSF Certified for Sport, label strength for USP Verified. See what each supplement seal checks and how to look up a bottle.
Supplements
Is Run Gum Worth It? 50 mg Caffeine, Taurine and the Cost
Run Gum review: each piece has 50 mg of caffeine and costs about 94 cents, or $1.87 per 100 mg, 1.6 times Neuro Gum. Worth it only for race-day timing.
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Mastic Gum: Benefits, Side Effects and Dosage (Evidence)
Mastic gum benefits, side effects and dosage per the EU monograph and trials: 1 to 2 g a day for up to two weeks for mild dyspepsia; no interaction studies.
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Caffeine Gum vs Coffee: Which Hits Faster, Which Costs Less
Caffeine gum vs coffee: gum peaks in 44 to 80 minutes, swallowed caffeine in 84 to 120; home-brewed coffee costs about $0.22 per 100 mg, gum $0.32 to $1.87.
Caffeine Gum vs Coffee: Which Hits Faster, Which Costs Less Read More »
Is Military Energy Gum Worth It? 100 mg and the Army Trials
Military energy gum review: 100 mg of caffeine per piece for about $0.32, fast and cheap, but it is sugar gum and the Army trials used 200 mg doses.
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Functional Gum vs Gummies vs Pills: Speed, Dose and Cost
Gum vs gummies vs pills by ingredient: caffeine gum peaks in 44 to 80 minutes, 22 of 25 melatonin gummies missed their label, and pills cost least per dose.
Functional Gum vs Gummies vs Pills: Speed, Dose and Cost Read More »
Best Caffeine Gum in 2026: mg per Piece and Cost per 100 mg
Best caffeine gum ranked by mg per piece, sugar and cost per 100 mg. The 100 mg military gum costs about $0.32 per 100 mg; the 40 mg gum about $0.86 to $1.16.
Best Caffeine Gum in 2026: mg per Piece and Cost per 100 mg Read More »
Is Mastic Gum Worth It? H. pylori, Gastritis, Dyspepsia
Mastic gum h pylori verdict: 5 of 13 cleared the infection versus 10 of 13 on antibiotics, yet 77% of dyspepsia patients improved versus 40% on placebo.
Is Mastic Gum Worth It? H. pylori, Gastritis, Dyspepsia Read More »
Does Mastic Gum Work for Jawline? What the Trial Measured
Does mastic gum work for jawline? The only six month trial in 58 healthy adults found a stronger bite but no change in masseter thickness or jaw shape.
Does Mastic Gum Work for Jawline? What the Trial Measured Read More »
Is Neuro Gum Worth It? Caffeine, Cost and What Trials Used
Is Neuro Gum worth it? One piece holds 40 mg caffeine and 60 mg L-theanine for about $0.34, about four times the cost of brewed coffee per 100 mg of caffeine.
Is Neuro Gum Worth It? Caffeine, Cost and What Trials Used Read More »