Top 3 Cheapest Protein Sources in 2026
Based on 2026 US national average retail prices, these three sources deliver the most protein per dollar of any food you can buy at a standard US grocery store. Click any card for the full cost breakdown and local price calculator.
Search & Filter All 26 Protein Sources
Click any column header to sort. Click any row to see the full cost breakdown and local price calculator.
| # | Protein Source | Category | $/100g Protein ↑ | Protein % | Pkg Price | Value | |
|---|---|---|---|---|---|---|---|
| 🥇 | 🥤Whey Protein Concentrate | Supplements | $0.156 | 78g | $34.99 / 2 lb (908g) tub | ★★★★★ | → |
| 🥈 | 🌱Plant Protein Powder (Pea/Rice blend) | Supplements | $0.201 | 78g | $44.99 / 2 lb (908g) tub | ★★★★☆ | → |
| 🥉 | 🥛Whey Protein Isolate | Supplements | $0.209 | 86g | $54.99 / 2 lb (908g) tub | ★★★★★ | → |
| #4 | 🍖Chicken Thighs | Poultry | $0.211 | 26g | $2.49 / 1 lb (bone-in) | ★★★★★ | → |
| #5 | 🥛Skim Milk | Eggs & Dairy | $0.254 | 3.4g | $3.29 / 1 gallon (3,785g) | ★★★★★ | → |
| #6 | 🫘Black Beans (canned) | Plant-Based | $0.262 | 8.9g | $0.99 / 15 oz can | ★★★★★ | → |
| #7 | 🫘Chickpeas / Garbanzo Beans (canned) | Plant-Based | $0.288 | 8.9g | $1.09 / 15 oz can | ★★★★☆ | → |
| #8 | 🐟Canned Tuna (Chunk Light) | Fish & Seafood | $0.302 | 30g | $1.29 / 5 oz can (drained ~4 oz) | ★★★★★ | → |
| #9 | 🍗Chicken Breast | Poultry | $0.305 | 31g | $4.29 / 1 lb (raw) | ★★★★★ | → |
| #10 | 🍗Canned Chicken Breast | Deli & Convenience | $0.315 | 28g | $2.49 / 12.5 oz can | ★★★★☆ | → |
| #11 | 🌱Extra-Firm Tofu | Plant-Based | $0.322 | 17g | $2.49 / 14–16 oz block | ★★★★☆ | → |
| #12 | 🥩Pork Tenderloin | Pork | $0.338 | 26g | $3.99 / 1 lb | ★★★★☆ | → |
| #13 | 🫘Dry Lentils | Plant-Based | $0.416 | 9g | $1.89 / 1 lb bag (dry) | ★★★★★ | → |
| #14 | 🌾Quinoa (dry) | Grains & Seeds | $0.475 | 14g | $5.99 / 2 lb bag (dry) | ★★★☆☆ | → |
| #15 | 🥚Large Eggs | Eggs & Dairy | $0.483 | 13g | $4.15 / 1 dozen (12 eggs) | ★★★★☆ | → |
| #16 | 🥣Non-Fat Greek Yogurt | Eggs & Dairy | $0.605 | 10g | $5.49 / 32 oz (2 lb) container | ★★★☆☆ | → |
| #17 | 🐟Canned Sardines (in water) | Fish & Seafood | $0.611 | 25g | $1.89 / 4.375 oz can | ★★★★☆ | → |
| #18 | 🐟Canned Salmon (Pink) | Fish & Seafood | $0.688 | 20g | $2.89 / 14.75 oz can | ★★★☆☆ | → |
| #19 | 🥜Peanut Butter (natural) | Plant-Based | $0.700 | 25g | $3.99 / 16 oz (1 lb) jar | ★★★☆☆ | → |
| #20 | 🌿Frozen Edamame (shelled) | Plant-Based | $0.701 | 11g | $3.49 / 16 oz (1 lb) bag frozen | ★★★☆☆ | → |
| #21 | 🧀Cottage Cheese (2% milkfat) | Eggs & Dairy | $0.702 | 11g | $3.49 / 16 oz (1 lb) container | ★★★☆☆ | → |
| #22 | 🥩Deli Ham (sliced) | Deli & Convenience | $0.981 | 16g | $3.99 / 9 oz package | ★★☆☆☆ | → |
| #23 | 🦃Deli Turkey Breast (sliced) | Deli & Convenience | $1.091 | 18g | $4.99 / 9 oz package | ★★☆☆☆ | → |
| #24 | 🥜Almond Butter | Plant-Based | $1.874 | 21g | $8.99 / 16 oz (1 lb) jar | ★★☆☆☆ | → |
$/100g protein = the only number that matters. Click any row for local price calculator. Prices reflect 2026 US national averages — your local store may differ.
Best Protein Value by Category
The cheapest protein source in each grocery category — ranked by cost per 100g of protein at 2026 US average prices. Click any card to see the full breakdown.
How to Use This Guide
The rankings on this page use a single metric: cost per 100g of protein at 2026 US national average retail prices. This is the only number that matters when you are trying to hit a protein target on a budget.
National averages are a starting point — prices at your local Kroger, Aldi, or Costco will differ. Every item page includes a live calculator where you enter the price you actually paid and get your real cost per 100g of protein. The calculator also lets you enter a rival item's price to see which wins head-to-head in your market.
The most efficient protein strategy in 2026 combines three sources: a cheap whole food base (chicken thighs, canned tuna, or lentils), a convenient ready-to-eat option (canned chicken or black beans), and whey concentrate as a low-cost protein top-up. Together, these three can keep your daily protein cost under $2–$3 per 100g target while covering all essential amino acids.
2026 Grocery Inflation: What It Means for Protein Costs
The USDA Economic Research Service projects all grocery prices will rise 3.6% in 2026 — but the impact is wildly uneven across protein categories. While poultry is nearly flat, and egg prices are actually declining after the 2025 HPAI-driven spike.
| Protein Category | 2026 USDA Forecast | 2026 Strategy |
|---|---|---|
| 🐟 Fish & Seafood | +5.2% | Stick to canned — far more stable than fresh |
| 🌱 Plant-Based / Grains | +2.8% | Hold — still the cheapest calories and protein |
| 🥩 Pork | +1.3% | Increase — best value meat in 2026 |
| 🍗 Poultry | +0.3% | Maintain — most stable major protein |
| 🥚 Eggs & Dairy | −2.1% | Buy more — best opportunity in 2026 |