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High-Dose Ester-C Supplements

3 products above 540 mg

3 supplements contain high-dose Ester-C (above 540 mg). The highest dosage product is Immune 24 Hour + at 1000 mg.

Low Dose (5)High Dose (3)

High-Dose Products (sorted by dosage)

ProductBrandDosage% DV
Immune 24 Hour +Nature's Bounty1000 mg1111%
Ester-CKala Health1000 mg
Ester-C BiodiscontinuedKlaire Labs540 mg600%

Frequently Asked Questions

What is considered high-dose Ester-C?

Based on 10 products in the NIH DSLD database, high-dose Ester-C supplements contain 540+ mg.

Is high-dose Ester-C safe?

This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including Ester-C.