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Stimulants
Caffeine anhydrous
In plain language
A concentrated, purified form of the same stimulant in coffee. Boosts alertness and exercise performance.
Is it an approved medication?
No — not an approved medication
No - sold as a food supplement, not a medication
How strong is the evidence?
Strong - one of the best-proven sports supplements
The main thing to know
Can cause anxiety, a racing heart or trouble sleeping at higher doses.
Mechanism
Adenosine receptor antagonist; reduces perceived exertion and increases muscle calcium mobilization.
Potential benefits
- Endurance
- Alertness and reaction time
- Strength and power (moderate effect)
Regulatory status
Authorized food supplement; mandatory labelling above 150 mg/L in beverages (EU)