Nutrients people taking GLP-1 medications (such as semaglutide or tirzepatide) most often ask about — reduced appetite can lower protein and micronutrient intake, so protein, magnesium, electrolytes, fibre and key vitamins come up frequently. This is a cost-per-dose value comparison, NOT medical advice: talk to your prescriber, and never change or stop a medication because of a supplement. Best value right now: Vitamin D3 from $0.03/serving.
Prices checked Aug 25, 2026
The nutrients people commonly associate with glp-1 companion, 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 D3 | NatureWise Vitamin D3 2000iu (50 mcg) 1-Year… | per serving | $9.98 | $0.03/serving | facts · NIH |
| 2 | Protein Powder | NOW Foods Sports Nutrition | per g | $28.20 | $0.03/g | facts · NIH |
| 3 | Vitamin B12 | Carlyle B-Complex Vitamin with B12 | 300 Tablets… | per serving | $9.99 | $0.03/serving | facts · NIH |
| 4 | Potassium | Nutricost Potassium Citrate 99mg, 500 Capsules | per serving | $19.95 | $0.04/serving | facts · NIH |
| 5 | Creatine Monohydrate | It's Just! - Creatine Monohydrate Powder | per g | $19.99 | $0.04/g | facts · NIH |
| 6 | Magnesium | Pure Original Ingredients L-Tryptophan (365… | per serving | $15.99 | $0.04/serving | facts · NIH |
| 7 | Psyllium Husk | NOW Foods Psyllium Husk 500mg | per serving | $44.00 | $0.04/serving | facts · NIH |
| 8 | Probiotics 50B | NatureBell Digestive Enzymes - 240 Capsules… | per serving | $19.99 | $0.08/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 glp-1 companion 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 glp-1 companion, 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: Protein Powder, Creatine Monohydrate, Magnesium, Potassium, Psyllium Husk, Probiotics 50B, Vitamin B12, Vitamin D3. 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, NatureWise Vitamin D3 2000iu (50 mcg) 1-Year Supply for Immune Support (Vitamin D3) at $0.03/serving is the cheapest per-dose option among the glp-1 companion nutrients we track as of August 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.