mineral
Manganese supplements
Half of the 7,016 manganese supplements in the NIH label database that print an amount list 2 mg or less per serving; the middle half list 1 mg to 3.92 mg, and 1 in 21 of the 6,936 with a plausible amount give more than the adult upper limit at the most servings their labels direct (DSLD version 9.4.0, January 2026). The 42 products whose only supplement ingredient is manganese list a median of 10 mg, and 40% of them give more than the upper limit.
- Products listing it
- 7,3357,016 print an amount; 235 list it inside a blend without an amount
- Median per serving
- 2 mgmiddle half 1 mg to 3.92 mg
- FDA Daily Value
- 2.3 mgthe median is 87% of it
- Adult upper limit (IOM)
- 11 mg331 products go above it a day
How much manganese do supplements contain?
The median product lists 2 mg per serving. One in ten lists 0.5 mg or less, one in ten 6 mg or more. The amount printed most often is 2 mg (1,697 products).
Products by amount of manganese per serving
7,096 products, log scale; extreme 0.2% at each end left out of the drawing.
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
How do the amounts compare with the Daily Value and the upper limit?
The FDA Daily Value for manganese is 2.3 mg (adults and children 4 and older). The median product gives 87% of it per serving; the 90th percentile 261%.
The adult Tolerable Upper Intake Level is 11 mg a day (total intake from food, water and supplements). At the most servings their labels direct, 331 of the 6,936 products with a plausible amount (4.8%) give more than that from the supplement alone (what counts as plausible).
The upper limit is for total intake from food, water and supplements unless stated, and does not apply under medical supervision. A label amount is what the maker printed. This is data, not advice: the NIH ODS fact sheets explain what each nutrient does.
Sources: 21 CFR 101.9(c)(8)(iv) (Daily Values); Institute of Medicine, DRI summary tables (2011) (upper limits); on reading them, the FDA's Daily Value page.
Which products list the most manganese?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Disc- ZYMNutri-West75 mg
- Back-FlexFoster Regal75 mg
- Disc-GardDC75 mg
- Disc-Gard+DC75 mg
- Back-GardWonder Laboratories75 mg
- Back-Gard+Wonder Laboratories75 mg
- MangaplexPL Progressive Laboratories73 mg
- Advanced Therapeutics Glucosamine Chondroitin MSM with Collagen Ultra Rx-Joint Delicious Mixed Berry FlavoredNaturesPlus60 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 2 mg; those entered in 2025, 2 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 165 | 2 mg |
| 2012 | 548 | 2.3 mg |
| 2013 | 690 | 2 mg |
| 2014 | 326 | 2 mg |
| 2015 | 310 | 2 mg |
| 2016 | 364 | 2 mg |
| 2017 | 379 | 2 mg |
| 2018 | 291 | 2 mg |
| 2019 | 344 | 2 mg |
| 2020 | 677 | 2 mg |
| 2021 | 535 | 2 mg |
| 2022 | 641 | 2 mg |
| 2023 | 617 | 2 mg |
| 2024 | 657 | 2 mg |
| 2025 | 552 | 2 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing manganese by DSLD product type
Brands listing it most: Douglas Laboratories (194), Nature's Plus (178), Nature's Way (132), Bronson (68), NOW (67), Rainbow Light (63), Metagenics (62), Country Life (55), XYMOGEN (54), Emergen-C (54).
Every product listing manganese
7,335 products, A to Z by name (page 49 of 147), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Gluco-ScienceSource Naturals1 mg
- Gluco-Support FormulaDouglas Laboratories11 mg as transcribed, likely a slip
- Gluco-Syn-AmineBiotics Research Corporation5 mg
- GlucoBalanceBiotics Research Corporation20 mg
- GlucoBalanceNatural Cell Supplements1 mg
- GlucofortGlucofort · off the market1 mg
- GlucoManage FormulaTriVita2.5 mg
- GluComplex GoldSimplyBest2 mg as transcribed, likely a slip
- GlucoPackDouglas Laboratories10 mg
- Glucosamine & Chondroitin ComplexBerkley Jensen2 mg
- Glucosamine & Chondroitin Complex plus MSM Advanced Triple Strength21st Century · off the market2 mg
- Glucosamine & Chondroitin Plus With Vitamin C And BromelainMartin Avenue Pharmacy9 mg
- Glucosamine & Chondroitin Sulfate (CSA)Nutritionworks5 mg
- Glucosamine & Chondroitin Sulfate (CSA)Glucoflex5 mg
- Glucosamine + ChondroitinJarrow Formulas · off the market1 mg
- Glucosamine + Chondroitin + MSMJarrow Formulas · off the market1 mg
- Glucosamine 1000 And MSM 1500 mg ComplexSundown Naturals2 mg
- Glucosamine 1500Foods Plus2 mg
- Glucosamine 1500 And MSM 1000 mg ComplexSundown Naturals · off the market5 mg
- Glucosamine 1500 mg Chondroitin MSM 1288 mgMember's Mark2 mg
- Glucosamine And Chondroitin 1500 mgSunshine Naturals · off the market15 mg as transcribed, likely a slip
- Glucosamine and Chondroitin Sulfate PlusVitamin Discount Center · off the market10 mg
- Glucosamine and Chondroitin Sulfate PlusRon Teeguarden Nutraceuticals10 mg
- Glucosamine And MSMSuperNutrition · off the market3 mg
- Glucosamine ChondroitinBerkley & Jensen2 mg
- Glucosamine ChondroitinFinest Nutrition2 mg
- Glucosamine ChondroitinSundown5 mg
- Glucosamine ChondroitinSundown Naturals5 mg
- Glucosamine ChondroitinNature's Bounty2 mg
- Glucosamine ChondroitinDr. Berg0.9 mg
- Glucosamine Chondroitin & MSMNutraBio1 mg
- Glucosamine Chondroitin & MSM 1500/750/750Meijer Naturals5 mg
- Glucosamine Chondroitin + MSM & TurmericRite Aid1 mg
- Glucosamine Chondroitin + MSM & Turmeric Double StrengthRite Aid1 mg
- Glucosamine Chondroitin 1500 mg / 1200 mgMeijer10 mg
- Glucosamine Chondroitin 1500/1200Mason Natural9 mg
- Glucosamine Chondroitin 1500/1200 + MSM 1000Mason Natural9 mg
- Glucosamine Chondroitin 750 mg/600 mgPuritan's Pride2 mg
- Glucosamine Chondroitin And MSM 1000 mgSunshine Naturals · off the market3 mg
- Glucosamine Chondroitin CompleteVitamer Laboratories3 mg
- Glucosamine Chondroitin CompleteVitaCeutical Labs3 mg
- Glucosamine Chondroitin ComplexGoodSense2 mg
- Glucosamine Chondroitin ComplexPure Advantage · off the market5 mg
- Glucosamine Chondroitin ComplexGood 'N Natural · off the market2 mg
- Glucosamine Chondroitin ComplexNature's Bounty · off the market2 mg
- Glucosamine Chondroitin ComplexNature's Blend2.5 mg
- Glucosamine Chondroitin ComplexPuritan's Pride2 mg
- Glucosamine Chondroitin Complex plus MSM21st Century2 mg
- Glucosamine Chondroitin Complex plus MSM Advanced Triple Strength21st Century2 mg
- Glucosamine Chondroitin Complex Triple StrengthWalgreens · off the market2 mg