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Kirkland Signature - Vitamin C 500 mg

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Kirkland Signature

Vitamin C 500 mg

B grade
84/100
SUPPIE SCORE
95/100
EFFICACY
Low
SAFETY
70/100
CLEANLINESS

What Does Vitamin C 500 mg Do?

Kirkland Signature Vitamin C 500 mg offers excellent efficacy for immune support and antioxidant benefits, with dosage aligning perfectly with RDA. It's highly safe for daily use in healthy adults, backed by strong clinical evidence and quality manufacturing.
What are the main health benefits of taking 500 mg of Vitamin C daily?
How does Vitamin C support immune function according to research?
Is 500 mg of Vitamin C sufficient to meet daily requirements for adults?
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What Are the Benefits of Vitamin C 500 mg?

Based on proven scientific research

Immune SupportStrong
Antioxidant ProtectionVery strong
Collagen SynthesisStrong
Iron AbsorptionModerate

Good For:

What Are the Side Effects of Kirkland Signature Vitamin C 500 mg?

Always consult your health practitioner if in doubt.

RiskLow Risk

Overview

Vitamin C at 500 mg is well within safe limits (UL 2000 mg/day for adults), with no significant side effects for healthy individuals per NIH guidelines.
Low risk of interactions; may enhance iron absorption but could interfere with certain chemotherapy drugs or statins in high doses, though 500 mg is moderate.
Generally safe for pregnancy and breastfeeding at this dosage, but consult healthcare provider; supports fetal development without exceeding RDA.
No major allergens in the formulation; suitable for most, but those with citrus sensitivities should note ascorbic acid source.
Long-term use is safe at 500 mg, as excess is excreted in urine; rare GI upset possible in sensitive individuals.
High-quality Kirkland manufacturing with USP verification minimizes contamination risks.

Potential Side Effects

Negative Interactions

Inactive Ingredients

Microcrystalline cellulose
Low Risk
Stearic acid
Low Risk
Magnesium stearate
Low Risk
Silicon dioxide
Low Risk
Hypromellose
Low Risk

What Are the Ingredients in Kirkland Signature Vitamin C 500 mg?

Vitamin C (as Ascorbic Acid)
500 mg
Microcrystalline Cellulose
Stearic Acid
Magnesium Stearate
Silicon Dioxide
Hypromellose

Frequently Asked Questions

Common questions about Kirkland Signature Vitamin C 500 mg