Cheapest Protein at Walmart, Ranked by Cost Per Gram

Ranked by cents per 10g of protein — lower is a better value. Each row is dated and marked with how it was verified: VERIFIED-LIVE rows were spot-checked directly against the live walmart.com product page on 2026-08-27; CATALOG-FRESH rows passed a real-world price plausibility check but weren't individually re-checked live on this run. Prices are estimates based on Walmart.com listings and vary by store, region, and day. Verify current pricing at checkout. Nutrition figures are per USDA FoodData Central and Walmart product labels; individual products may vary by brand.

A note on the ground beef row: Fresh ground beef and other raw-meat rows in the catalog price noticeably higher than the historically typical range for this cut; several independent rows corroborate each other, but this specific row was not part of the live spot-check batch. Verify at checkout.

Cost per 10g protein is the package price divided by the total grams of protein in the package, scaled to a 10g unit — the same shape of calculation people already run by hand across budget-fitness threads on Reddit. What we add is the sourcing discipline: every price is dated, most headline rows are spot-checked against the live Walmart product page rather than assumed, and protein figures cite USDA FoodData Central or the product's own label rather than a generic estimate. See methodology for how MindyCart verifies and dates every published number, and how we calculate for the cost-per-serving math behind our meal-plan receipts. Rows we couldn't verify — chicken thighs (failed a price-plausibility check), cottage cheese, plain tofu, whey protein, and plain canned salmon — aren't in the table at all. We'd rather publish fewer rows than a wrong one.

Eggs, canned chicken breast, and Greek yogurt all land in the cheaper half of the table above, alongside 2% milk. Frozen diced chicken breast is the cheapest fresh-meat option we could verify, at 38.9¢ per 10g — ground beef and pork tenderloin trail well behind at 87.3¢ and 80.8¢ per 10g respectively.

Canned black beans (38.3¢ per 10g) and canned lentils (47.7¢ per 10g) are both verified cheap plant sources. Peanut butter is the single cheapest item in the whole table by cost per gram, though it's calorie-dense and lower in protein percentage than a lean meat or dairy source, so it works best alongside other items rather than carrying a whole day's protein target on its own. We don't yet have a verified plain-tofu price to add here — Walmart's catalog data currently only surfaces flavored tofu products.

We can't answer that head-to-head yet, honestly: no plain whey protein product currently appears in the Walmart product data this table is built from, so we don't have a verified price to compare against the whole-food rows above. This is a live, active debate in budget-fitness communities, and we'd rather say “we don't have that number yet” than publish a guess. Whole foods like eggs, canned chicken breast, and Greek yogurt are verified, cheap, complete-protein sources in the meantime.

According to Schoenfeld & Aragon, Journal of the International Society of Sports Nutrition (2018), roughly 0.4g of protein per kilogram of body weight per meal — spread across about 4 meals a day — optimally stimulates muscle protein synthesis, building toward a daily target the 2025–2030 Dietary Guidelines for Americans (HHS/USDA) puts at 1.2–1.6g of protein per kilogram of body weight for active individuals. That's a range depending on body weight and goals, not a single fixed number for everyone.

“High protein, keep it cheap” is one chat message to Mindy, MindyCart's meal-planning assistant ($19/month after a 7-day free trial). She plans a week of dinners around cheap, high-protein ingredients like the ones above and fills your Walmart cart from the result — a real week we measured looked like this:

Walmart prices are real, checked on the date shown, and vary by store and over time. You review the plan and the list, then claim the cart and check out on Walmart.com yourself — Mindy never touches payment.

• A high-protein meal planning app that fills your cart — where Mindy plans a whole week around these picks
• Budget bodybuilding meal plan — a full week priced from real Walmart line items
• Best meal planner that shops Walmart — the flagship comparison
• Can AI do my grocery shopping? — what Mindy can and can't do, plainly stated
• Methodology — how every number on this site is sourced, dated, and verified