/ / Flank Steak

Flank Steak

This raw Wagyu flank steak has one ingredient and comes from cattle raised in Central Missouri. It is finished on brewer’s grain; the product description says antibiotic-free, while the brand says it uses antibiotics when withholding them would threaten an animal’s life.

Seed-oil freeNo added sugarNo artificial dyesNo artificial flavorsNo natural flavorsNo synthetic preservativesNo added nitritesNo phosphates
$50.00 1.5 lb · lowest price at Maries River Wagyu
Price and stock checked Oct 29, 2026
Key nutrition facts

Not available yet. We only show numbers printed on the product’s label or its product page, and we couldn’t read them for this product.

Ingredients: Beef
Product details
ShippingCold-chain insulated packaging designed to keep the order frozenInsulated boxShips frozen
“We ship our premium Wagyu beef from Westphalia, Missouri, using cold-chain, insulated packaging designed to keep your order frozen and safe during transit.” — the product page
83 / 100
Good Scored automatically
Weighted as fresh meat, fish, eggsHigh confidence · Scored on 11 of 11 inputs, 5 claims verified
Nutrition · counts 20%81
Ingredients · counts 5%100
Processing · counts 5%98
Sourcing · counts 55%85
Transparency · counts 15%70
Why it scores 83
Nutrition 81 · Compared with other red meats: less saturated fat (2.8 g); no added sugar per 100 g (typical values for raw beef flank steak)
Ingredients 100 · Single ingredient: Beef
Processing 98 · Raw flank steak with beef as its only ingredient
Sourcing 85 · The brand says cattle graze on hundreds of acres in Central Missouri
Transparency 70 · Complete ingredient list and specific raising details; antibiotic claims conflict
Finished on brewer’s grain
Antibiotic-free claim conflicts with brand policy
Evidence behind the Ingredients deductionsNone: no added sugar, seed oils, dyes, sweeteners or flagged additives were found.
Scored Oct 20, 2026 · Scoring guide v3.1 · Updated Oct 20, 2026 · See what changed

Your diet score

Doesn’t change the score above

Pick a diet to see if this product fits it, using limits you can change.

Diet profiles v1.1. Defaults come from published guidance; you can change any limit. How the diet score works

Better swapsCleaner beef options that do the same job
Tyner Pond Farm Grassfed Ribeye Steak
94 +11 Clearer sourcing
Slanker Ranch Beef Flank Steak
92 +9 Clearer sourcing
Waseda Farms Organic Top Sirloin Steak
90 +7 Clearer sourcing
Similar, for lessSame kind of food, scoring about as well or better, for less than $2.08/oz here
Mad Butcher Meat Co.BEEF FLANK STEAK #18 1 LBS
79−4
$7.99 · $0.50/oz · 76% less per oz
Virtual Concession StandGrass Fed Flank Steak (Frozen) - 8oz
86+3
$10.99 · $1.37/oz · 34% less per oz
Etta Hills FarmBeef Flank Steak
88+5
$11.00 · $1.38/oz · 34% less per oz
Ingredients
Beef
1 ingredient
Sourcing

Perfect for slicing and serving to larger groups, this nearly 1.5 lb. cut is tender and deliciously juicy with your favorite marinade when cooked with high heat and sliced against the grain. All Maries River Wagyu beef is pasture-raised, grass-fed, brewer’s grain-finished, and hormone and antibiotic-free. Note: With its rich intramuscular fat content, Wagyu beef can cook up to 30% faster than Angus beef. We ship our premium Wagyu beef from Westphalia, Missouri, using cold-chain, ins

AdditivesNo additives found

No additives, added sugars, seed oils or flavourings found in the ingredient list.

Matched from the ingredient list. Risk levels summarise findings from EFSA, the FDA, IARC and published studies; they explain a concern, not a diagnosis.

Other beef options

Full Circle Sustainability
Beef - Short Ribs
96 $38.70
Full Circle Sustainability
Bison - Filet Mignon
96 $13.65
Alderspring Ranch Provisions
Organic Grass Fed Regenerative Ground Beef
95 $16.70
Kolikof® Caviar & Gourmet
Grass-Fed Wagyu – Filet Mignon
95 $47.00