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Nature's Bounty Vitamin D3 1000 IU Softgels, Immune Support, Promotes Healthy Bones, 1 Softgel per Day, Gluten Free, 350 Count Review

By Dr. Lena Ford (content reviewer) · Health content reviewer · Published 2026-06-22 · Updated 2026-07-14

4.7 (49,300) Amazon rating$14.5310,000+ bought last month

Our verdict

A high-volume, budget-oriented 1,000 IU vitamin D3 softgel with an unusually large 350 count bottle and a huge review base.

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Best for

Shoppers who want a long-lasting, lower-dose softgel at a value price, without needing to reorder often.

Skip if

You want a higher potency than 1,000 IU or prefer a smaller bottle size.

Pros

  • 350 count bottle is one of the largest sizes in this category
  • Simple, gluten free, one-softgel-a-day format
  • Enormous review base (49,300+) for confidence in consistency
  • Competitive price for the count size

Cons

  • 1,000 IU is a lower potency than several higher-dose alternatives here
  • Softgel form, which some shoppers may prefer to avoid
  • A bottle this large requires committing to the format for many months

Our scorecard

4.7/5 overall
  • Owner rating4.7/5

    4.7 average across 49,300 owner ratings

  • Popularity4.7/5

    49,300 owner reviews, more than most models here

The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other home health monitors: bathroom scales, blood pressure monitors, pregnancy and ovulation tests, thermometers, body composition monitors, stethoscopes, glucose monitors and pulse oximeters we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.

Overview

["Nature's Bounty markets this as a gluten free, 1,000 IU vitamin D3 softgel, one per day, packaged in a large 350 count bottle. At roughly $14.50, it is priced to compete on volume rather than premium positioning.", "The maker's label points to immune support and healthy bones as the stated benefits. It is a mainstream, widely stocked brand, and this listing reflects that with an especially large review base.", 'With 49,300 reviews and a 4.7 average rating, it has one of the largest feedback samples in this entire vitamin D lineup, giving a fairly reliable read on typical buyer experience.']

Performance notes

At 1,000 IU per softgel and 350 per bottle, this is built for people who want to set a routine and not think about reordering for close to a year. The scale of its review base, nearly 50,000, is a useful signal in itself: a product bought and used by that many people, with a 4.7 average holding steady, points to dependable manufacturing and consistent softgel quality batch to batch.

What buyers say

Nearly 50,000 reviews at a 4.7 average makes this one of the most heavily reviewed vitamin D products in this comparison, with ratings that have stayed strong at that scale.

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More from Nature's

Similar home health monitors: bathroom scales, blood pressure monitors, pregnancy and ovulation tests, thermometers, body composition monitors, stethoscopes, glucose monitors and pulse oximeters to consider

Frequently asked questions

How long does the 350 count bottle last?

At one softgel per day as labeled, 350 softgels covers just under a year of daily use.

Is this a high-dose vitamin D supplement?

No, at 1,000 IU per serving it is on the lower end of the potencies covered in this roundup. If you are considering a different dose, talk to a healthcare professional first.

Is it gluten free?

Yes, the label states it is gluten free.

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