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: Vitamin B12 from $0.04/serving.
Prices checked Jul 11, 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 | Vitamin B12 | Piping Rock Vitamin B12 | 500 mcg | 250 Tablets… | per serving | $8.99 | $0.04/serving | facts · NIH |
| 2 | Iron Bisglycinate | Source Naturals, Iron Chelate, 25 MG, 250 Tabs | per serving | $12.95 | $0.05/serving | facts · NIH |
| 3 | B-Complex | Nature Made Super B Complex with Vitamin C… | per serving | $24.71 | $0.07/serving | facts |
| 4 | CoQ10 | ZEBORA CoQ10-200mg-Softgels with PQQ | per serving | $11.57 | $0.10/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, Iron Bisglycinate, 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, Piping Rock Vitamin B12 | 500 mcg | 250 Tablets | Supplement for Women… (Vitamin B12) at $0.04/serving is the cheapest per-dose option among the energy nutrients we track as of July 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.