C4 Extreme Energy Cherry Limeade
The takeaway
Solid pick. Vitamin C, Niacin and Vitamin B6 (+3 more) have real research behind them (20+ studies reviewed), but research actually pushes back on 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
Niacin: dose is above the recommended upper limit.
Weighed against 24 published studies · led by Vitamin C
Why this grade
- +1 ingredient with published research
- +5 essential nutrients identified
- +Strong evidence for Vitamin C, Niacin and Vitamin B6
- −Niacin: dose is above the recommended upper limit.
- −Research pushes back on Beta-alanine
Nutrients & actives
tap a row for the researchHow the ingredients work together
Known interactions from published nutrition research — separate from the evidence grade.
B12 and folate work in the same methylation cycle; supplementing both supports homocysteine metabolism better than either 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 →