SISU
Ester-C 500
86/100
SUPPIE SCORE
72/100
EFFICACY
High
SAFETY
94/100
CLEANLINESS
What Does Ester-C 500 Do?
Ester-C 500 mg plus low-dose D3 offers solid antioxidant and immune support with minimal risk; gluten presence is the main safety note.
How does Ester-C compare to regular ascorbic acid for absorption and stomach tolerance?
What evidence supports the 100 IU Vitamin D3 dose for immune or bone health?
Can I take this with food or other supplements to improve absorption?
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What Are the Benefits of Ester-C 500?
Based on proven scientific research
Immune supportStrong
Antioxidant protectionStrong
Bone healthModerate
Collagen formationStrong
Good For:
What Are the Side Effects of SISU Ester-C 500?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•Ester-C form is gentler on stomach than standard ascorbic acid at 500 mg.
•100 IU vitamin D3 is a low, safe dose well below upper limits.
•Magnesium stearate (vegetable source) is recognized as safe.
•Product contains wheat/gluten—avoid if gluten-sensitive.
•Suitable for adults; consult doctor if pregnant or on medications.
•Store in cool, dry place; discard if seal broken.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Low Risk
Good
Good
Good
What Are the Ingredients in SISU Ester-C 500?
Vitamin C (Ester-C)
500 mg
Vitamin D3 (cholecalciferol)
100 IU
sodium
microcrystalline cellulose
magnesium stearate (vegetable)
silica
Sources & References
No sources available
Frequently Asked Questions
Common questions about SISU Ester-C 500