Pre-Workout Breezeberry
The takeaway
Mixed bag. Caffeine and L-Theanine have real research behind them (20+ studies reviewed), but research actually pushes back on Citrulline and Beta-alanine. Check the flagged warning before you buy.
Based on the ingredients we could read from this scan. A full label may include more — like added sugars, colorings or other ingredients — than we captured here.
Dose warning
'citrulline' claim is contradicted by evidence.
Weighed against 34 published studies · led by Citrulline
Why this grade
- +2 ingredients with published research
- −'citrulline' claim is contradicted by evidence.
- −Research pushes back on Citrulline and Beta-alanine
- −L-tyrosine lacks sufficient research
Active ingredients
tap a row for the researchHow the ingredients work together
Known interactions from published nutrition research — separate from the evidence grade.
L-theanine smooths caffeine's stimulant edge; trials show improved attention with fewer jitters versus caffeine alone.
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Product Scan grades ingredients, nutrition and processing level. It is not medical advice; talk to your doctor before changing supplements. Grades update as new data becomes available. How we grade →