Which supplement works better to improve cycling performance: beetroot juice or caffeine anhydrous?

Ratings at a Glance

Supplement	Effectiveness Rating	Confidence Rating
Beetroot Juice
Caffeine Anhydrous

Effectiveness Rating: Beetroot Juice vs Caffeine Anhydrous

The effectiveness rating is a measure of the supplements' ability to improve cycling performance. This rating answers the question of whether or not a supplement does what it claims. The evidence shows caffeine anhydrous is better than beetroot juice in its ability to improve cycling performance. Caffeine Anhydrous should provide some positive results while beetroot juice will not.

Confidence Rating: Beetroot Juice vs Caffeine Anhydrous

Another factor to take into account when comparing supplements is the confidence rating. This rating is a measure of how valid each supplement's effectiveness rating is. Remember, the confidence rating is a measure of how much you can trust the effectiveness rating. This rating is based on how many studies are included in the database on a supplement's claims. Ideally, you want a high effectiveness AND confidence rating.

Both beetroot juice and caffeine anhydrous have great confidence rating. This means both supplement's effectiveness ratings above are valid.