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 71 of 147), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- MediClear-SGS ChocolateThorne Research · off the market1.5 mg
- MediClear-SGS Chocolate FlavoredThorne Research · off the market1.5 mg
- MediClear-SGS Chocolate FlavoredThorne1.5 mg
- MediClear-SGS VanillaThorne Research · off the market0.75 mg
- Mediclear-SGS Vanilla FlavoredThorne Research · off the market1.5 mg
- MediClear-SGS Vanilla FlavoredThorne1.5 mg
- Medipro Bariatric ChocolateThorne Research · off the market2 mg
- Medipro Bariatric VanillaThorne Research · off the market2 mg
- Medipro ChocolateThorne Research · off the market0.7 mg
- Medipro Meal Essential VanillaThorne Research · off the market0.7 mg
- Medipro Meal Essentials ChocolateThorne Research · off the market0.7 mg
- Medipro Meal Essentials VanillaThorne Research · off the market0.7 mg
- Medipro Multi Complete With IronThorne Research · off the market2 mg
- Medipro Multi Complete without IronThorne Research · off the market2 mg
- Medipro VanillaThorne Research · off the market0.7 mg
- MediPro Vegan All-In-One Shake ChaiThorne Research · off the market1 mg
- MediPro Vegan All-In-One Shake ChocolateThorne Research · off the market1 mg
- MediPro Vegan All-In-One Shake Chocolate FlavoredThorne Research · off the market1 mg
- MediPro Vegan All-In-One Shake VanillaThorne Research · off the market1 mg
- MediPro Vegan All-In-One Shake Vanilla FlavoredThorne Research · off the market1 mg
- MediPro Vegan Chocolate FlavoredThorne · off the market1 mg
- MediPro Vegan Vanilla FlavoredThorne · off the market160 mg as transcribed, likely a slip
- MedivinVPX5 mg
- Mega - VMFoster Regal6 mg
- Mega 100Nature's Best · off the market6 mg
- Mega 75Windmill2.3 mg
- Mega 80Thompson3 mg
- Mega B-12 Daily VitsNOW2 mg
- Mega ChelNature's Sunshine1.4 mg
- Mega Clean Herbal Cleanse Tropical FlavorDetoxify1 mg
- Mega Clean Herbal Cleanse Tropical Fruit FlavorDetoxify · off the market1 mg
- Mega Daily 4 for MenNikken Kenzen · off the market2 mg
- Mega Daily 4 for MenNikken Wellness Kenzen2 mg
- Mega Daily 4 for WomenNikken Kenzen · off the market2 mg
- Mega Daily 4 for WomenNikken Wellness Kenzen2 mg
- Mega ForceNatures Plus · off the market10 mg
- Mega I DailyHighland Laboratories4 mg
- Mega I Daily Iron FreeHighland Laboratories4 mg
- Mega II DailyHighland Laboratories8 mg
- Mega II Daily Iron-FreeHighland Laboratories8 mg
- Mega Liquid MultivitaminFeel Great 3653.75 mg
- Mega ManGNC Mega Men · off the market2 mg
- Mega MenGNC Mega Men2 mg
- Mega Men 50 PlusGNC Mega Men2 mg
- Mega Men 50 Plus MultivitaminGNC Mega Men2 mg
- Mega Men CitrusGNC Mega Men10 mg
- Mega Men Energy & MetabolismGNC Mega Men2 mg
- Mega Men Energy & Metabolism MultivitaminGNC Mega Men2 mg
- Mega Men Essentials 50 Plus One DailyGNC Mega Men2 mg
- Mega Men MiniGNC Mega Men2 mg