Product Description
If your gut has ever staged a protest mid-training block, you already know there can be a downside of dairy-based protein.
Promix Grass-Fed Beef Protein Isolate gives you a powerful alternative — 30g of complete, clean protein per serving sourced from EU grass-fed, grass-finished cattle, with zero lactose, zero fillers, and a single ingredient on the label.
What makes this one genuinely different is what it delivers beyond muscle support. Beef protein is naturally rich in glycine, proline, and hydroxyproline — the amino acids that form the backbone of collagen and connective tissue. That means every serving does double duty: rebuilding muscle while also supporting the tendons, ligaments, and joints that take a beating during hard training. Whey doesn't offer that. Neither does plant protein.
Complete Muscle Recovery – All nine essential amino acids are present, making it fully capable of driving muscle repair and lean mass retention — the same outcome you'd expect from a quality whey isolate.
Joint and Connective Tissue Support – Beef protein's unique amino acid profile — high in glycine, proline, and hydroxyproline — supports collagen synthesis and connective tissue resilience, giving your joints a recovery boost that whey simply doesn't provide.
Dairy-Free and Easy on Digestion – No lactose, no dairy proteins, no gut drama. The hydrolyzed format means the protein is pre-broken into smaller chains for faster absorption and minimal digestive stress — a real advantage during heavy training blocks when your gut is already under pressure.
The science backs this up too. Research in master triathletes showed that hydrolyzed beef protein outperformed whey in preserving muscle mass and improving iron status over a 10-week training period. Clinical comparisons consistently show beef protein isolate produces lean mass and strength gains equivalent to whey — with the added advantage of connective tissue support from its collagen-related amino acid profile.
How to Use Promix Grass-Fed Beef Protein Isolate
Post-Workout: Mix 1 scoop with 12–16 oz of water, coffee, or milk of choice. Stir or blend for 10 seconds.
Mix into Food: Blend with 12–16 oz of liquid plus fruits, vegetables, or nut butters for a complete recovery meal. Stir into hot oatmeal after cooking, or fold into pancake and muffin batter for a protein boost without any beefy taste.
Pro Tip: Hydrolyzed beef protein dissolves cleanly into hot liquids — it's one of the few protein powders that works equally well stirred into your morning coffee.
- 0g
- 30g
- 0g
- 235mg
- 0g
- 0g
Nutrition Facts
Unflavored / 30 Servings
Serving Size: 1 scoop
Serving Per Container: 30
| Amount Per Serving | ||
|---|---|---|
| Calories | 130 | |
| % Daily Value* | ||
| Total Fat 0g | 1% | |
| Saturated Fat 0g | 0% | |
| Trans Fat 0g | ** | |
| Cholesterol 0mg | 0% | |
| Sodium 235mg | 10% | |
| Total Carbohydrate 0g | 0% | |
| Dietary Fiber 0g | 0% | |
| Sugars 0g | ** | |
| Protein 30g | 60% | |
| Potassium 140mg | 4% | |
| Vitamin D | ** | |
| Calcium 5mg | ** | |
| Iron | ** | |
| Phosphorus 12mg | ** | |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
** Daily Value (DV) not established
Always Happy Promise: Don't like a product? Tell us within 30 days of receipt and we'll make it right and make you happy. Here at The Feed, we want you to love your experience and the sports nutrition products you purchase. If, for any reason, you are not satisfied with your nutrition specific purchase, tell us.
We do not accept returns on food items that have been opened, but we will issue a store credit if you are unsatisfied. In the event of a return, you must first contact us before sending back a return shipment.
Consumable products over $40 receive a 50% store credit. This includes specialty nutrition products such as ketones or supplements/vitamins.
Promix Grass-Fed Beef Protein FAQ's
Everything you need to know before getting started.
It works best within 30–60 minutes after training to kick off muscle repair. Because it's hydrolyzed for fast absorption, it's also effective first thing in the morning or between meals to hit your daily protein targets.
Yes. Research shows beef protein isolate produces lean mass and strength gains equivalent to whey protein. It has a slightly lower leucine content per serving, but for athletes hitting adequate total daily protein intake, the difference is negligible — and beef protein adds connective tissue support that whey doesn't offer.
Promix Beef Protein is completely free of dairy and lactose. Even whey isolate contains trace lactose that can cause bloating or GI discomfort for sensitive athletes. Beef protein eliminates that issue entirely while still delivering a complete amino acid profile.
Hydrolyzed means the protein chains have been pre-broken into smaller peptides through a processing step. This speeds up how quickly your body can absorb and use the protein — making it more efficient post-workout than non-hydrolyzed sources.
No. The processing removes any meat flavor. The unsweetened version has a clean, neutral taste that mixes easily into shakes, smoothies, coffee, and baked goods.
Beef protein is naturally high in glycine, proline, and hydroxyproline — the amino acids your body uses to build and repair collagen in tendons, ligaments, and cartilage. Whey protein contains minimal amounts of these, making beef protein a uniquely joint-friendly choice for high-volume athletes.