Best Manganese Supplements 2026: Cost per Effective Dose
Our pick for Manganese: Source Naturals Manganese 10mg — 10mg elemental manganese per 1 tablet, $0.04/day.
Safety: the adult upper limit for manganese is 11 mg a day from all sources (NIH). 4 products below give more than that in one serving. Do not take more than 11 mg a day unless your doctor tells you to.
Registry check · Manganese
Does anyone independently verify Manganese supplements?
We did not find any of these products in a public registry, and none of the listings names a certification mark. Where a listing names a mark, we say so in the table; where we could not find it in a registry, we say that instead.
The 7 products on this page checked against all 5,317 US NSF, USP and Informed Sport listings, 2026-08-25. Full method and limitations.
What Manganese labels show
Priced per day, these manganese products run $0.04 to $0.36 — a 9.0× gap between the cheapest and priciest manganese here, across 7 brands.
Which row that favors is not obvious: Source Naturals Manganese 10mg is cheapest per serving at $0.04, but its serving sits below the median here, so part of that price gap is simply a smaller capsule.
All Manganese Supplements Compared
| Product | Brand | Dose / Serving | Cost / Day | Certification (as labeled) | Pick | Buy |
|---|---|---|---|---|---|---|
| Source Naturals Manganese 10mg | Source Naturals | 10mg elemental manganese / 1 tablet | $0.04 | None | Buy | |
| BulkSupplements.com Manganese Gluconate Powder | BulkSupplements.com | 225mg elemental manganese / 1 labeled serving (scoop) Above the 11 mg upper limit | $0.04 | None | Buy | |
| SOLARAY Manganese Supplement 50mg | Solaray | 50mg elemental manganese / 1 capsule Above the 11 mg upper limit | $0.08 | None | Buy | |
| Nutricost Chelated Manganese 8mg | Nutricost | 8mg elemental manganese / 1 capsule | $0.10 | None | Buy | |
| Carlson Chelated Manganese 20mg | Carlson | 20mg elemental manganese / 1 capsule Above the 11 mg upper limit | $0.10 | None | Buy | |
| Taste N' Score Manganese Liquid Ionic 6mg | Taste N' Score | 6mg elemental manganese / 1 serving (dropper) | $0.16 | None | Buy | |
| Ecological Formulas Manganese Picolinate 20mg | Ecological Formulas | 20mg elemental manganese / 1 capsule Above the 11 mg upper limit | $0.36 | None | Buy |
Our picks
Lowest cost: Source Naturals Manganese 10mg
10mg elemental manganese per 1 tablet. $0.04/day. 250 servings per container at $11.05.
The shelf · Manganese
Capsules cost 3.4× what powder does for the same Manganese
The molecule is the same either way; the premium buys encapsulation. Across these 7 Manganese products that gap runs from $0.04 a day (Source Naturals Manganese 10mg) to $0.36 (Ecological Formulas Manganese Picolinate 20mg), and BulkSupplements.com Manganese Gluconate Powder is the cheapest powder of the 1 here if you will actually weigh a dose.
Method: the 7 Manganese products above, compared on label facts, serving size, servings per container, form, price. Not a dosing recommendation.
How these 7 Manganese products were ranked
Not one of these 7 manganese products could be confirmed in the NSF, USP or Informed Sport registries, so verification separates none of them and the ranking falls to cost per day at the labeled serving. Commission does not enter it: the rate is the same whichever manganese you buy. Full methodology.