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Cream Soda Zevia

Backed by 5 studies

Overall grade based on research across 8 ingredients.

B
73out of 100Grade B
Research evidence score

Weighed against 5 published studies · led by Vitamin D

How the ingredients work together

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

33 of 4 nutrients at a meaningful dose (≥20% Daily Value) — the other 1 are present at low levels.
Vitamin D + CalciumWork together

Vitamin D is required for efficient intestinal calcium absorption — the classic bone-health pairing.

Calcium vs IronCompete

Calcium inhibits iron absorption when taken together. If you take this for the iron, consider spacing it from calcium-rich meals or supplements.

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Ingredient breakdown

B
Vitamin DSupports bone health and immune function
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched
B
CalciumSupports bone density and muscle contraction
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched
B
IronSupports oxygen transport and energy
Research: Established essential nutrientEvidence strength: Established essential nutrient — extensively researched
A
NiacinSupports cholesterol metabolism and cellular energy
Research: Established essential nutrientDaily Value: 125%Dose: 20 mgEvidence strength: Established nutrient — this product provides a meaningful dose
A
Vitamin B6Supports energy metabolism and neurotransmitter synthesis
Research: Established essential nutrientDaily Value: 824%Dose: 14 mgEvidence strength: Established nutrient — this product provides a meaningful dose
A
Vitamin B12Supports energy and nerve function
Research: Established essential nutrientDaily Value: 500%Dose: 12 mcgEvidence strength: Established nutrient — this product provides a meaningful dose
D
PotassiumSupports blood pressure regulation and muscle function
Research: Established essential nutrientDaily Value: 1.2%Dose: 55 mgEvidence strength: Established nutrient — only a token dose in this product
C
Power And Pump:Supplementation and health effects
Research direction: InconclusiveEvidence: 5 studiesEvidence strength: Moderate - supportive but mixed

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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