Primal Steak Precision
Universal Steak Protein & Amino Acid Calculator
A raw grass-fed steak provides 5.95g to 6.75g of pure protein per ounce, which concentrates to 7.7g to 8.9g per cooked ounce after standard medium-rare thermal moisture loss (~22%). A standard 12 oz raw cut yields 71g to 81g of complete protein and over 6.0g of pure L-leucine.
Top Sirloin and Tenderloin deliver the highest protein purity per calorie, while Ribeye and New York Strip provide synergistic saturated lipids (stearic acid) that slow gastric emptying and sustain anabolic amino acid release for up to 6 hours.
🥩 The Primal Steak Collection
100% Grass-Fed & Grass-Finished Steaks: Uncompromised Anabolic Fuel
Taste the difference of true regenerative beef. Raised on chemical-free open pastures with zero grain, hormones, or feedlot confinement, our steaks deliver dense myofibrillar protein, rich beta-carotene, and 1:1 balanced essential fatty acids.
DIAAS 1.30+ Bioavailability
True complete ileal protein absorption with zero gut irritation or allergen load.
Rich in Stearic Acid & CLA
Natural ruminant lipids that support metabolic flexibility and cellular energy.
Dry-Aged for Tenderness
Artisan dry-aging breaks down collagen fibers for steakhouse tenderness at home.
100% Grass-Fed & Pasture-Raised • Flash-Frozen at Peak Freshness • Zero Added Hormones
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Sarcoplasmic vs. Myofibrillar Protein Kinetics
Steak protein comprises myosin & actin (myofibrillar) and myoglobin & enzymes (sarcoplasmic). Gentle searing preserves sarcoplasmic fluids, delivering an unmatched spectrum of bioavailable iron, carnosine, and anserine.
Lipid Dilution vs. Protein Concentration
Marbling affects gross protein concentration: a heavily marbled cut contains slightly less protein per raw ounce (~5.9g) than an ultra-lean cut (~6.7g), but offers higher satiety and cellular energy from stearic acid (C18:0).
Primal Steak Cut Macro & Protein Comparison Table
| Steak Cut | Raw Pro / oz | Cooked Pro / oz | 12 oz Raw Protein | Fat / 12 oz Raw | Total Calories |
|---|---|---|---|---|---|
| Grass-Fed Top Sirloin | 6.65 g | 8.9 g | 80 g | 18 g | 482 kcal |
| Filet Mignon (Tenderloin) | 6.75 g | 8.6 g | 81 g | 16 g | 468 kcal |
| Grass-Fed New York Strip | 6.45 g | 8.3 g | 77 g | 36 g | 632 kcal |
| Grass-Fed Ribeye Steak | 5.95 g | 7.7 g | 71 g | 58 g | 806 kcal |
| Grass-Fed Flank Steak | 6.60 g | 8.8 g | 79 g | 20 g | 496 kcal |
Master Butcher Searing & Resting Protocol
- 1. Salt 12–24 Hours Prior (Dry Brine): Salting allows sodium ions to penetrate muscle fibers, unraveling myosin filaments and locking in 10%–15% more intracellular water during cooking.
- 2. Pull at 125°F–128°F for Grass-Fed: Lean pasture beef carries higher thermal momentum. Pulling at 125°F results in a perfect 130°F–135°F medium-rare after 8 minutes of wire-rack resting.
- 3. Slice Across the Muscle Grain: Always carve perpendicular to grain direction to reduce bite resistance and optimize mastication for faster enzymatic digestion.
Pitmaster & Chef Troubleshooting Protocol
Issue: Steak releasing pool of red juice immediately upon slicing
Cause: Slicing too early while internal hydrostatic pressure is high. Fix: Rest 8 to 10 minutes on an elevated wire rack before carving.
Issue: Bone-in steak yielding less protein than calculated
Cause: Did not deduct bone tare. Fix: Bone accounts for 18%–22% of total weight in T-bone and bone-in ribeyes.
Frequently Asked Questions
How much protein is in an 8 oz steak?
An 8 oz raw steak yields 48g to 54g of pure complete protein (Top Sirloin is ~53g, Ribeye is ~48g).
How much protein is in a 12 oz steak?
A 12 oz raw steak provides 71g to 80g of bioavailable protein and over 6.0g of L-leucine.
Does cooking steak rare or well-done change the protein amount?
The total grams of protein remain the same, but well-done meat loses more water, increasing the protein density per cooked ounce while reducing tenderness.
Why is grass-fed steak better for muscle growth?
Grass-fed beef provides higher natural concentrations of CLA, creatine, and omega-3s, and zero antibiotic or hormone residues.
Taste the Pinnacle of Grass-Fed Steaks
Indulge in thick-cut, dry-aged Bone-In Ribeyes, NY Strips, and Filet Mignon shipped directly from regenerative family ranches.
100% Grass-Fed & Finished
Zero Hormones or Grain Feed
Rancher-Direct Flash Frozen Delivery
