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Nature Made Foods Vitamin D3 2000 IU bottle
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Nature Made Foods Vitamin D3 2000 IU Review

High-potency Vitamin D3 supplement providing 2000 IU per softgel, formulated in a base of extra virgin olive oil to support bone health and a healthy immune system.

Product Focus: Thyroid HealthAlso graded for:EnergyAlso covers:HormonesImmune system
Tier ⓘ
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Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
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How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
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Biohacker Mentions
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Cost per month
$1
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Study, Trial or Testing Result Summary

MembersHuman studies

This product gives 2,000 units of vitamin D a day, a dose compared with the studies. The research on thyroid is , and studies found . …

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Review Totals and Summary

Members204,099 reviews
204,099 reviews · IHerb 182,928 · Amazon 21,006 · Target 124 · Swanson 89 · Walmart 69 · Nowfoods 19 · Walgreens 7

Foods Vitamin D3 2000 IU has earned reviews from real users across major platforms, with the recurring centering on its marked effectiveness and overall reliability as a vitamin D supplement. customers mention that their bloodwork after using this product regularly, with reviewers specifically pointing out rises in their vitamin D levels confirmed by lab tests. …

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Biohacker Summary

MembersWhat our biohacker panel says

Vitamin D3 is the main ingredient here, and ten panelists spoke about it: six it, three use it, and one stays , with one saying they stopped. They take it for immune support, mood and brain , bone , and general wellness or longevity, and note that people are , especially those who spend of the day indoors. …

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RAL Summary

MembersThe tier and why

of the 47 human studies found on thyroid , and a 2024 review found vitamin D alone did thyroid antibodies, while a Graves' disease trial found for remission.

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More Details

MembersBody systems · Combine with · Possible side effects

Body systems: Endocrine system, Immune system. Combine with and possible side are for members.

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Supplement Facts

Vitamin D 50 mcg (2,000 IU)
Supplement Facts
Serving Size 1 Softgel
Servings Per Container 120 or 240 softgels, depending on the bottle.
Amount Per Serving% Daily Value
Vitamin D (as D3 Cholecalciferol) (from Lanolin)50 mcg (2,000 IU)250%

Other ingredients: Extra Virgin Olive Oil, Softgel Capsule [bovine gelatin (BSE-free), glycerin, water] and Safflower Oil.

Directions: Suggested Usage: Take 1 softgel daily with a meal.

Barcode (UPC) 733739003553 · Label source: Nowfoods · Report a label change

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Our articles on this subject

Graded October 23, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.