CompareFairlyBest Protein Powders 2026
Our pick : Transparent Labs 100% Grass-Fed Whey Protein Isolate (100/100) · Cheapest : Optimum Nutrition Gold Standard Whey · Best value : Optimum Nutrition Gold Standard Whey
Comparison table
| Criterion | Transparent Labs 100% Grass-Fed Whey Protein Isolate | Optimum Nutrition Gold Standard Whey | NOBULL Whey Protein Isolate | Heart & Soil Grass-Fed Whey Protein | Legion Whey+ Certified Grass-Fed Irish Whey Protein Isolate | Swolverine Whey Protein Isolate |
|---|---|---|---|---|---|---|
| Price per Serving (USD) | 2.17 | 1.37 | — | — | — | — |
| Protein per Serving (g) | 28.0 | 24.0 | 25 | 24 | 25.0 | 25.0 |
| Sugar per Serving (g) | — | — | — | 0 | — | — |
| Calories per Serving (kcal) | 130.0 | — | 120 | 110 | 100.0 | 140.0 |
| Ingredient Quality | High | High | High | High | High | High |
| Certifications | — | — | — | — | — | — |
| Mixability | Excellent | Most Smooth | Good | — | — | — |
| Brand Reputation | Leading | Leading | Established | Established | Developing | Developing |
| Protein Source | Whey Isolate | Protein blend (whey protein isolate, whey protein concentrate, whey peptides) | Whey Isolate | Whey Concentrate | Whey Isolate | Plant Protein |
In short
This comparison evaluates 11 protein powders based on 13 criteria, including price, protein, carbs, sugar, fat, and calories per serving. Transparent Labs 100% Grass-Fed Whey Protein Isolate ranks highest with a perfect score, largely due to its strong brand reputation and ingredient quality. Optimum Nutrition Gold Standard Whey is identified as the most affordable choice. Data for 5 out of the 11 options was sourced directly, with the remaining values being flagged as estimates. The facts in this summary are computed from the table below; only the wording is generated.
Frequently asked questions
What are the best protein powders in 2026?
Based on our analysis of price per serving, protein content, carbs, sugar, fat, and calories, Transparent Labs 100% Grass-Fed Whey Protein Isolate and Optimum Nutrition Gold Standard Whey are top contenders.
How do you rank protein powders?
Our rankings are based on objective data for key nutritional metrics like protein, carbs, sugar, and fat per serving, ensuring a neutral and unbiased comparison without sponsored placements.
Is Transparent Labs protein powder good?
Transparent Labs 100% Grass-Fed Whey Protein Isolate scores highly in our comparison due to its excellent protein content and favorable nutritional profile across all evaluated criteria.
Where can I find unbiased protein powder reviews?
This page offers unbiased reviews by comparing popular protein powders using consistent, data-driven criteria such as price, protein, carbs, sugar, fat, and calories per serving.
Methodology and transparency
Ranking: options are sorted on measured, sourced criteria. No position is ever sold, and no advertiser pays to appear here.
Scope: this comparison is not exhaustive. It presents the options our sources document, not every offer on the market.
Earnings: some outbound links may be affiliate links that earn us a commission. This never affects the ranking, the scores or the data.
Data: every value is linked to its source and refreshed automatically; the collection date is shown.