SiSU
Ester-C Supreme
87/100
SUPPIE SCORE
78/100
EFFICACY
High
SAFETY
92/100
CLEANLINESS
What Does Ester-C Supreme Do?
Ester-C Supreme lists Vitamin C (calcium ascorbate) from Ester-C® (600 mg) and Arabinogalactan (Larix occidentalis/Larix laricina) (bark/stem) ResistAid™ (100 mg) as its main actives. Any judgement should be based on the stated amounts and forms rather than the product name or marketing claims alone.
How does the Ester-C form compare to regular vitamin C for absorption?
What is the evidence for arabinogalactan and quercetin supporting immunity?
Is 50 mg quercetin per capsule an effective dose?
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What Are the Benefits of Ester-C Supreme?
Based on proven scientific research
Immune supportStrong
Antioxidant activityStrong
Seasonal allergy reliefModerate
Good For:
What Are the Side Effects of SiSU Ester-C Supreme?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•Vitamin C at 600-1200 mg daily is within safe upper limits for most adults.
•Quercetin may interact with quinolone antibiotics and blood thinners as noted on label.
•Not recommended during pregnancy or breastfeeding per product warnings.
•Suitable for vegan diets; free of gluten, dairy, soy.
•Consult practitioner before use beyond 12 weeks.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Magnesium stearate (vegetable)
Low RiskMicrocrystalline cellulose
Low RiskSilicon dioxide
Low RiskHypromellose
Low RiskWhat Are the Ingredients in SiSU Ester-C Supreme?
Vitamin C (calcium ascorbate) from Ester-C®
600 mg
Arabinogalactan (Larix occidentalis/Larix laricina) (bark/stem) ResistAid™
100 mg
Quercetin
50 mg
Multi-anthocyanidins (Concord grape, black currant, cranberry, blueberry, bilberry)
50 mg
magnesium stearate (vegetable)
microcrystalline cellulose
silicon dioxide
hypromellose
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Dosage & Bioavailability
How the active doses and forms in Ester-C Supreme compare to the research.
•Vitamin C (calcium ascorbate) from Ester-C® is listed at 600 mg per serving; without a source-specific reference range, dose adequacy cannot be graded.
•Arabinogalactan (Larix occidentalis/Larix laricina) (bark/stem) ResistAid™ is listed at 100 mg per serving; without a source-specific reference range, dose adequacy cannot be graded.
Sources & References
Frequently Asked Questions
Common questions about SiSU Ester-C Supreme