The 4 Best Zinc Supplements of 2026
The best zinc supplement for most people is Nature Made Zinc 30 mg: 30 mg of zinc in one tablet for $0.06 a day, on USP Verified, and the lowest cost of the 7 we score. Most adults need only 8 to 11 mg a day, and many get that from food, so you may not need a tablet every day.
By Erin Rose Updated October 12, 2026 How we score
Our picks at a glance
Our pick for: Most people who take zinc
Good
- On the USP Verified list (checked September 22, 2026)
- Daily dose (the RDA up to the upper limit): 30 mg per serving (we count 8 to 40 mg)
- The lowest cost per dose of its kind that we score
Watch for
Nothing flagged on our five marks.
- Zinc
- 30 mg a serving1 tablet
- A day
- $0.06one serving, brand list price
- Testing list
- USP Verified
- Form
- Gluconateabsorbed as well as citrate in a direct test
- Bottle
- 100-tablet bottle, $5.79Nature Made’s list price
- Per 15 mg
- $0.029half a serving
Our take
Why we pick it It has the top score of the 7 we score and the lowest cost: $0.06 a day at list price. It is on USP Verified, which checks that the tablet holds what the label says. Its form (the NIH label database lists zinc gluconate) absorbed as well as zinc citrate (about 61%) in the one study that measured absorption directly (Wegmüller 2014).
What to know 30 mg is more than most adults need (8 to 11 mg a day, NIH), and food adds more: the average U.S. man gets 13 mg a day from food. Together that can pass the 40 mg daily upper limit, which is set to protect your copper. If you eat meat or seafood most days, a lower-dose product may be all you need. How much zinc to take.
Testing record
- USP Verified: contents and purity Checked September 22, 2026.
Not found on: NSF Certified for Sport, Informed Sport, Informed Choice, NSF/ANSI 173.
Our other 3 picks
Each is for a different need: a glycinate, drug-tested sport, or a smaller dose. All are on a public testing list.
- You want glycinate Thorne Zinc Bisglycinate 30 mg
- You are drug-tested in sport Thorne Zinc Picolinate 30 mg
- A lower dose Momentous Zinc 15 mg
Our pick for: You want glycinate
Good
- On the NSF/ANSI 173 list (checked October 11, 2026)
- Daily dose (the RDA up to the upper limit): 30 mg per serving (we count 8 to 40 mg)
- Label states the amount, with no blend
Watch for
- Costs 5.8 times as much per dose as the cheapest of its kind we score
- Zinc
- 30 mg a serving1 capsule
- A day
- $0.33one serving, brand list price
- Testing list
- NSF/ANSI 173
- Form
- Bisglycinate chelateraised blood zinc more than gluconate in small studies
- Bottle
- 60-capsule bottle, $20.00Thorne’s list price
- Per 15 mg
- $0.17half a serving
Our take
30 mg of zinc as bisglycinate, on NSF/ANSI 173. In two small studies, glycinate raised blood zinc more than gluconate (Gandia 2007; DiSilvestro 2015); no study shows a health difference. It costs $0.33 a capsule at list price. Glycinate vs picolinate.
Testing record
- NSF/ANSI 173: contents match the label Checked October 11, 2026.
Not found on: NSF Certified for Sport, Informed Sport, Informed Choice, USP Verified.
Our pick for: You are drug-tested in sport
Good
- On the NSF Certified for Sport and NSF/ANSI 173 lists (checked October 11, 2026)
- Daily dose (the RDA up to the upper limit): 30 mg per serving (we count 8 to 40 mg)
- Label states the amount, with no blend
Watch for
- Costs 6.6 times as much per dose as the cheapest of its kind we score
- Zinc
- 30 mg a serving1 capsule
- A day
- $0.38one serving, brand list price
- Testing list
- NSF Certified for Sport + NSF/ANSI 173
- Form
- Picolinatescreened for drugs banned in sport
- Bottle
- 60-capsule bottle, $23.00Thorne’s list price
- Per 15 mg
- $0.19half a serving
Our take
30 mg of zinc as picolinate, on NSF Certified for Sport + NSF/ANSI 173: NSF screens it for drugs banned in sport. $0.38 a capsule at list price, the lowest cost per 15 mg of the sport-screened zinc we price. The claim that picolinate absorbs best rests on one 1987 study of 15 people.
Testing record
- NSF Certified for Sport: banned substances, by lot See the listing Checked October 11, 2026.
- NSF/ANSI 173: contents match the label Checked October 11, 2026.
Not found on: Informed Sport, Informed Choice, USP Verified.
Our pick for: A lower dose
Good
- On the NSF Certified for Sport and NSF/ANSI 173 lists (checked October 11, 2026)
- Daily dose (the RDA up to the upper limit): 15 mg per serving (we count 8 to 40 mg)
- Label states the amount, with no blend
Watch for
- Costs 11.5 times as much per dose as the cheapest of its kind we score
- Zinc
- 15 mg a serving1 capsule
- A day
- $0.33one serving, brand list price
- Testing list
- NSF Certified for Sport + NSF/ANSI 173
- Form
- Picolinatecloser to the daily need
- Bottle
- 60-capsule bottle, $19.99Momentous’s list price
- Per 15 mg
- $0.33one serving
Our take
15 mg of zinc a capsule, closer to the 8 to 11 mg adults need, on NSF Certified for Sport + NSF/ANSI 173 (it is screened for sport too). It costs more per mg than any other zinc we score: $0.33 a capsule at list price.
Testing record
- NSF Certified for Sport: banned substances, by lot See the listing Checked October 11, 2026.
- NSF/ANSI 173: contents match the label Checked October 11, 2026.
Not found on: Informed Sport, Informed Choice, USP Verified.
Which one is for you?
| Your situation | What to buy |
|---|---|
| You want a zinc supplement | Nature Made Zinc 30 mg, $0.06 a day (our pick) |
| You want glycinate | Thorne Zinc Bisglycinate 30 mg, $0.33 a day (above) |
| You are drug-tested in sport | Thorne Zinc Picolinate 30 mg, $0.38 a day (above) |
| You want a smaller dose | Momentous Zinc 15 mg, $0.33 a day (above) |
| You want glycinate for less | NOW Zinc Glycinate 30 mg, $0.09 a day. The same Albion bisglycinate as Thorne’s, but not on a public testing list. |
Every pick is on at least one public testing list (NSF or USP). Which zinc is on which list.
| Item | Value |
|---|---|
| Nature Made Zinc 30 mg | $0.029 |
| NOW Zinc Glycinate 30 mg | $0.046 |
| Solgar Zinc Citrate 30 mg | $0.049 |
| Thorne Zinc Bisglycinate 30 mg | $0.17 |
| Thorne Zinc Picolinate 30 mg | $0.19 |
| Garden of Life Vitamin Code Raw Zinc | $0.19 |
| Momentous Zinc 15 mg | $0.33 |
All 7 we score, and how we checked them
| Product | Score | Zinc | Per 15 mg | Testing list | Bottle and list price | Buy |
|---|---|---|---|---|---|---|
| Nature Made Zinc 30 mgNature Made · zinc gluconate | 10.0/10 | 30 mg1 tablet | $0.029 | USP Verified | 100-tablet bottle, $5.79 | Buy on Amazon |
| Thorne Zinc Bisglycinate 30 mgThorne · zinc bisglycinate chelate (Albion TRAACS) | 8.0/10 | 30 mg1 capsule | $0.17 | NSF/ANSI 173 | 60-capsule bottle, $20.00 | Buy on Amazon |
| Thorne Zinc Picolinate 30 mgThorne · zinc picolinate | 8.0/10 | 30 mg1 capsule | $0.19 | NSF Certified for Sport, NSF/ANSI 173 | 60-capsule bottle, $23.00 | Buy on Amazon |
| Momentous Zinc 15 mgMomentous · zinc picolinate | 8.0/10 | 15 mg1 capsule | $0.33 | NSF Certified for Sport, NSF/ANSI 173 | 60-capsule bottle, $19.99 | Buy on Amazon |
| NOW Zinc Glycinate 30 mgNOW Foods · zinc bisglycinate (Albion TRAACS), 150 mg · also pumpkin seed oil 250 mg | 6.0/10 | 30 mg1 softgel | $0.046 | Not found* | 120-softgel bottle, $11.01 | Buy on Amazon |
| Solgar Zinc Citrate 30 mgSolgar · zinc citrate | 6.0/10 | 30 mg1 vegetable capsule | $0.049 | Not found* | 100-capsule bottle, $9.74 | Buy on Amazon |
| Garden of Life Vitamin Code Raw ZincGarden of Life · zinc from brown rice chelate · also vitamin C 60 mg, fruit and vegetable blend, trace mineral blend, probiotic and enzyme blend | 4.5/10 | 30 mg2 capsules | $0.19 | Not found* | 60-capsule bottle, $11.53 | Buy on Amazon |
* Not found on the public NSF, USP or Informed lists (searched August 25, 2026 to October 11, 2026).
The score. Out of 10, from five checks (scores rebuilt October 12, 2026; how we score):
- Dose, up to 3 points: a serving has 8 to 40 mg of zinc, from the RDA for women up to the upper limit. This range is ours, not an official one.
- Testing, up to 3 points: the product is on a public testing list. A brand’s own claim, with no listing, earns half.
- Cost, up to 2 points: what 15 mg of zinc costs, compared with the cheapest.
- Label, up to 1 point: the label states every amount.
- Recalls, up to 1 point: no FDA recall naming the brand in 24 months.
Not scored, and why.
- Klean Athlete Klean Zinc 10 mg (100 chewable tablets): Klean's store was down when we priced zinc (October 12, 2026), and no other store we use sells it, so we have no list price to compare. It is on NSF Certified for Sport and NSF/ANSI 173. Each chewable tablet has 10 mg of zinc (citrate); the label (dated 2021 in the NIH database) says 1 to 3 a day.
What zinc does, and what to watch for
Zinc supports your immune system, wound healing and sense of taste (NIH). Taking zinc once you have a cold may shorten it by about 2 days, with weak evidence, and it may do little or nothing to prevent colds (Nault 2024). Who needs zinc, and what it helps with.
Watch the total. The upper limit for adults is 40 mg a day from food and supplements together; taken for weeks, 50 mg a day or more can lower your copper (NIH). Iron of 25 mg or more taken at the same time lowers zinc absorption (NIH), and in one study 600 mg of calcium with a meal cut it by half (Wood 1997). Our dosage guide covers how much to take.
Sources
- NIH Office of Dietary Supplements. Zinc fact sheet for health professionals (updated January 6, 2026; read October 12, 2026).
- Wegmüller R, et al. Zinc absorption by young adults from supplemental zinc citrate is comparable with that from zinc gluconate and higher than from zinc oxide. J Nutr. 2014. PubMed 24259556
- Gandia P, et al. Int J Vitam Nutr Res. 2007. PubMed 18271278. DiSilvestro RA, et al. Biol Trace Elem Res. 2015. PubMed 25877802
- Barrie SA, et al. Comparative absorption of zinc picolinate, zinc citrate and zinc gluconate in humans. Agents Actions. 1987. PubMed 3630857
- Nault D, et al. Zinc for prevention and treatment of the common cold. Cochrane Database Syst Rev. 2024. PubMed 38719213
- Labels: each brand’s page or the NIH Dietary Supplement Label Database. Testing: NSF/ANSI 173 and NSF Certified for Sport, searched October 11, 2026; USP Verified, our copy of September 22, 2026. Recalls: openFDA. Prices: each brand’s own list price (Vitacost where named), checked October 12, 2026.