Nature Made Vitamin C 1000 mg Extra Strength, Dietary Supplement for Immune Support, 100 Tablets, 100 Day Supply
$0.10/serving
Price verified Apr 22, 2026
Not evaluated by the FDA · Individual results may vary · Consult a healthcare provider before use
Our verdict
1,000mg per tablet of Ascorbic Acid per tablet from Nature Made. Best for overall best for most people.
Why we recommend this
USP Verified for purity, potency, and dissolution — the gold standard for vitamin C. Nature Made is the #1 pharmacist-recommended brand. At $0.06/serving, it delivers unbeatable value. One tablet provides 1,000mg of pure ascorbic acid.
Check for interactions
Already taking other supplements or prescription medications? Add them below to check for documented interactions, severity, and clinical guidance.
Our database currently documents 137+ supplement and drug-category interaction pairs. Combinations not flagged here may still interact — always consult your healthcare provider before combining supplements, especially with prescription medications.
What to watch out for
High dose may cause GI discomfort in sensitive individuals. Plain ascorbic acid without buffering or bioflavonoids.
Dose & form
- Serving
- 1,000mg per tablet
- Form
- Tablet
- Clinical range
- 500-1000mg daily
- Dose adequacy
- Therapeutic
- Supply
- 100 servings · $0.10/serving
- UPC
- 031604014896
Who it's best for
Overall best for most people
Who should skip it
Those with sensitive stomachs prone to GI upset from ascorbic acid
Pros
- USP Verified
- #1 pharmacist-recommended brand
- Unbeatable value at $0.06/serving
- 1,000mg per single tablet
Cons
- May cause stomach upset at this dose
- No buffering agent
- No added bioflavonoids
- Contains stearic acid filler
What customers say
4.8★ across 34,702 Amazon reviews. The most common questions from shoppers: nature made vitamin c 1000mg safe to take daily, nature made vitamin c 1000mg cause stomach upset, and nature made vitamin c 1000mg safe during pregnancy. Full answers in the FAQ below.
Frequently Asked Questions
What is the clinical dose for Ascorbic Acid?
What is the clinical dose for Ascorbic Acid?
Clinical trials typically use 500-1000mg daily. Nature Made Vitamin C 1000mg delivers 1,000mg per tablet, which we classify as Therapeutic relative to that range.
How does Nature Made Vitamin C 1000mg compare to similar Tablet?
How does Nature Made Vitamin C 1000mg compare to similar Tablet?
See the "Also consider" section below for two alternatives. Choose based on form preference (Tablet vs alternatives), dose adequacy, and third-party testing.
Is Nature Made Vitamin C 1000mg third-party tested?
Is Nature Made Vitamin C 1000mg third-party tested?
Yes — USP Verified. Third-party testing verifies ingredient identity and label accuracy.
Does this work with Amazon Subscribe & Save?
Does this work with Amazon Subscribe & Save?
Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.
Is Nature Made Vitamin C 1000mg in stock?
Is Nature Made Vitamin C 1000mg in stock?
Current availability: OutOfStock. Stock status reflects the latest Amazon refresh — check the Amazon link for real-time status.
Is Nature Made Vitamin C 1000mg safe to take daily?
Is Nature Made Vitamin C 1000mg safe to take daily?
Yes, Nature Made Vitamin C 1000mg is designed for daily use at the recommended serving size. Nature Made follows Good Manufacturing Practices (GMP), and the product has been well-tolerated in thousands of customer reviews.
Can Nature Made Vitamin C 1000mg cause stomach upset?
Can Nature Made Vitamin C 1000mg cause stomach upset?
High-dose vitamin C (ascorbic acid) can cause GI discomfort in some people, including nausea or diarrhea. Taking it with food can help minimize stomach upset.
Is Nature Made Vitamin C 1000mg safe during pregnancy?
Is Nature Made Vitamin C 1000mg safe during pregnancy?
Vitamin C is generally safe during pregnancy at doses up to 2,000mg daily. The RDA for pregnant women is 85mg, and 1,000mg per tablet is within safe limits. Always consult your healthcare provider before starting any supplement during pregnancy.
Does Nature Made Vitamin C 1000mg interact with medications?
Does Nature Made Vitamin C 1000mg interact with medications?
Vitamin C can interact with certain medications including blood thinners, chemotherapy drugs, and statins. High doses may also affect the accuracy of certain lab tests. Consult your doctor if you take prescription medications.
Can you take too much Nature Made Vitamin C?
Can you take too much Nature Made Vitamin C?
The tolerable upper limit for vitamin C is 2,000mg per day for adults. Doses above this may cause diarrhea, nausea, and increase kidney stone risk in susceptible individuals. At 1,000mg per tablet, this product is within safe daily limits.
Also consider
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