Head to head · Vitamins & Minerals
Nature Made Vitamin D3 2000 IU Softgels vs Thorne Zinc Picolinate 15 mg
Nature Made scores higher overall (9.0 vs 8.5 out of 10), mainly on efficacy and value.
Updated September 2026 from our full reviews · How we score

A USP Verified 2,000 IU vitamin D3 softgel in soybean oil for about 6 cents a day, the no-frills benchmark for daily vitamin D.
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A small, NSF-certified 15 mg zinc picolinate capsule dosed near the RDA; TikTok-famous for skin anecdotes, and best paired with copper for long-term use.
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We may earn a commission when you buy through these links — it never affects our scores. How we make money
The short answer
Choose Nature Made if…
- Adults with limited sun exposure
- Budget shoppers who want USP verification
- People who prefer a small, easy-to-swallow softgel
- You care most about efficacy, value
Choose Thorne if…
- People with low zinc intake, including those eating mostly plant foods
- Athletes and label-conscious buyers who want NSF-certified products
- Anyone who wants single-nutrient zinc at a modest dose
Side by side
| Vitamin D3 2000 IU Softgels | Zinc Picolinate 15 mg | |
|---|---|---|
| Our score | 9.0 / 10 | 8.5 / 10 |
| Efficacy (30%) | 8.6 | 8.0 |
| Quality & Purity (25%) | 9.0 | 9.2 |
| Value (20%) | 9.8 | 7.8 |
| Experience (15%) | 9.0 | 8.8 |
| Transparency (10%) | 9.0 | 9.0 |
| Form | Softgel | Capsule |
| Serving | 1 softgel250 servings per container | 1 capsule60 servings per container |
| Testing & certifications | USP Verified | NSF Contents Certified |
| Dietary | Gluten-free | Gluten-free, Dairy-free, Soy-free |
| Key ingredients |
|
|
| Flavors | — | — |
| Creator video reviews | 4 | 5 |
Pros and cons
Vitamin D3 2000 IU Softgels
- USP Verified for ingredients, potency and manufacturing
- 2,000 IU of D3 is half the adult upper limit
- About $0.06 per day
- Small softgel with an oil base that supports absorption
- Gelatin shell, so not vegetarian
- Soybean oil base may not suit people avoiding soy-derived ingredients
- No vitamin K2 for those who want a combined formula
Zinc Picolinate 15 mg
- 15 mg dose close to the RDA and well under the 40 mg upper limit
- Minimal excipients; gluten-, dairy- and soy-free
- Listed in NSF's certification database; Amazon listing says NSF Contents Certified
- Small 18 mm capsules
- No copper included for long-term use
- Picolinate's absorption advantage is a brand claim NIH does not confirm
- About $0.25 per day, pricier than drugstore zinc
- Two capsules a day plus diet can approach the upper limit
Our verdicts
Vitamin D3 2000 IU Softgels
For most adults who want a daily vitamin D supplement, this is the benchmark: a sensible 2,000 IU dose, USP verification and a price that is hard to beat. Vegetarians should choose a gelatin-free option, and people who already have adequate levels should not expect broader health effects.
Full review
Zinc Picolinate 15 mg
A clean, well-dosed zinc supplement from a manufacturer with a strong testing record. The 15 mg dose covers daily needs without crowding the upper limit; add copper if you take it for months, and do not expect the dramatic skin results shared on TikTok to be typical.
Full review