Creatine Monohydrate (Thorne / Klean / ON)
Best overall evidence
- Physical + cognitive
- Strong research
- $$ Mid
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Energy Supplement Finder
Filter by goal and budget to find evidence-based energy support. See the full guide.
Caffeine + L-Theanine
Fastest reliable energy, no jitters
- Acute energy
- Smooth focus
- $ Budget
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Rhodiola Rosea
Mental fatigue under stress
- Adaptogen
- Modest help
- $ Budget
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Iron (only if deficient)
Fixes common fatigue cause
- Test first
- Deficiency only
- $ Budget
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Vitamin B12 (only if low)
If genuinely deficient
- Test first
- Deficiency only
- $ Budget
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CoQ10 (Ubiquinol)
Cellular energy when low
- Ubiquinol form
- Cellular support
- $$ Mid
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