Nutrients involved in normal energy metabolism that people commonly supplement. B vitamins help the body USE energy from food; they do not add energy unless you are short. Ranked by cost per dose. Best value right now: Iron from $0.01/serving.
Prices checked Oct 10, 2026
The nutrients people commonly associate with energy, each shown at its cheapest current cost per dose (per gram for powders). Ranked lowest cost first; no paid placement.
| # | Nutrient | Cheapest pick | Dose basis | Price | Cost / dose | Refs |
|---|---|---|---|---|---|---|
| 1 | Iron | Ferrous Sulfate 325 mg Tablets, 1000 Count | per serving | $13.60 | $0.01/serving | facts · NIH |
| 2 | Vitamin B12 (Cobalamin) | NOW Supplements, Folic Acid 800 mcg + B-12… | per serving | $6.11 | $0.02/serving | facts · NIH |
| 3 | B-Complex | KIRKLAND SIGNATURE One Per Day Super B-Complex… | per serving | $36.49 | $0.04/serving | facts |
| 4 | CoQ10 | DEAL SUPPLEMENT CoQ10 100mg with Omega 3 100mg | per serving | $13.59 | $0.06/serving | facts · NIH |
Ranked by real cost per dose (per gram for powders), not sticker price. We make no health claims — see each linked nutrient page for NIH-sourced facts, or read our methodology.
This page gathers the nutrients people commonly associate with energy and ranks each one by cost per dose — the product’s current price divided by its servings per container, then normalized to one daily dose (or per gram for powders so a 20 g and a 25 g serving compare fairly). The table shows the single cheapest pick we currently track for each nutrient, sorted lowest cost first. Nothing here is paid placement, and a nutrient with no active deals simply drops off the list.
If you are assembling a stack for energy, cost per dose is the figure that tells you what each option actually costs to take day after day — a smaller bottle with a lower sticker price can cost more per serving than a larger one. Use it to compare like-for-like and avoid overpaying; it is a price-comparison signal, not a measure of quality or suitability.
Detailed nutrient facts — intake ranges, food sources, upper limits and safety — live on each linked nutrient hub, sourced from the NIH Office of Dietary Supplements. For the full ranking rules see our methodology and editorial standards.
Commonly: Vitamin B12 (Cobalamin), Iron, B-Complex, CoQ10. We make no medical claims — each is ranked here by real cost per dose, with NIH-sourced facts on its nutrient page. Not medical advice.
By cost per dose, Ferrous Sulfate 325 mg Tablets, 1000 Count (Iron) at $0.01/serving is the cheapest per-dose option among the energy nutrients we track as of October 2026.
We link primary sources and paraphrase their findings — never copy their text, tables, or images. Cost-per-dose figures are our own first-party catalog data.