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

Ratings at a Glance

Supplement	Effectiveness Rating	Confidence Rating
Beetroot Juice
Tyrosine

Effectiveness Rating: Beetroot Juice vs Tyrosine

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 neither beetroot juice nor tyrosine has the ability to improve cycling performance. Neither supplement will provide positive results for this claim.

Confidence Rating: Beetroot Juice vs Tyrosine

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 tyrosine have great confidence rating. This means both supplement's effectiveness ratings above are valid.