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REIGN STORM CLEAN ENERGY

Backed by 20 studies

Overall grade based on research across 8 ingredients.

C
65out of 100Grade C
Research evidence score

Weighed against 20 published studies · led by Caffeine

How the ingredients work together

Known interactions from published nutrition research — separate from the evidence grade.

44 of 6 nutrients at a meaningful dose (≥20% Daily Value) — the other 2 are present at low levels.
Calcium vs ZincCompete

High-dose calcium can reduce zinc absorption — the two compete for uptake pathways.

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Ingredient breakdown

D
CaffeineImproves alertness and cognitive performance
Research direction: Mixed findingsEvidence: 20 studiesEvidence strength: Weak - research is split or limited
The effect of caffeine supplementation on muscular strength and endurance: A meta-analysis of meta-analyses (2024)Does ergogenic effect of caffeine supplementation depend on CYP1A2 genotypes? A systematic review with meta-analysis (2023)The effects of caffeine supplementation on blood pressure in adults: A systematic review and dose-response meta-analysis. (2023)
B
ZINCSupports immune function and testosterone
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched
D
CalciumSupports bone density and muscle contraction
Research: Established essential nutrientDaily Value: 0.7%Dose: 9 mgEvidence strength: Established nutrient — only a token dose in this product
D
PotassiumSupports blood pressure regulation and muscle function
Research: Established essential nutrientDaily Value: 0.1%Dose: 3 mgEvidence strength: Established nutrient — only a token dose in this product
B
ThiamineSupports energy metabolism and nerve function
Research: Established essential nutrientDaily Value: 42%Dose: 0.5 mgEvidence strength: Established nutrient — a solid dose in this product
B
RiboflavinSupports cellular energy production and antioxidant defense
Research: Established essential nutrientDaily Value: 46%Dose: 0.6 mgEvidence strength: Established nutrient — a solid dose in this product
B
NiacinSupports cholesterol metabolism and cellular energy
Research: Established essential nutrientDaily Value: 38%Dose: 6 mgEvidence strength: Established nutrient — a solid dose in this product
B
Vitamin B6Supports energy metabolism and neurotransmitter synthesis
Research: Established essential nutrientDaily Value: 35%Dose: 0.6 mgEvidence strength: Established nutrient — a solid dose in this product

This summary describes only the ingredients and the research behind them — it is not a judgment of the product or its marketing. Grades reflect the weight of published evidence cross-referenced against 350M+ research papers. How we grade →

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