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Protein Sources

Powders, meat, eggs, collagen

23gold6silver

protein powder(7)

🥩01Gold Standard

11/12

Momentous

Essential Grass-Fed Whey

$60(24 servings)

NSF Certified for Sport + Informed Choice. Cold-pressed, micro-filtered. Consumer Reports found 2/3 of protein powders have concerning heavy metal levels—third-party testing is essential.

NSF-certifiedgrass-fedheavy-metal-tested

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🥩01Gold Standard

11/12

Thorne

Thorne is the gold standard for clinical purity, holding the NSF Certified for Sport designation which is required by most professional athletic organizations. Their isolate is filtered to remove almost all lactose and contains no artificial sweeteners or thickeners.

nsf-certifiedisolatelow-lactose+1

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🥩01Gold Standard

11/12

Transparent Labs

100% Grass-Fed Whey Protein Isolate

$59.99($1.99/serving)

This product features one of the highest protein-by-weight ratios in the industry (82-88%) and uses exclusively grass-fed whey from New Zealand. They provide batch-specific Certificates of Analysis (COAs) for every single tub.

grass-fedno-artificial-sweetenershigh-protein+1

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🥩01Gold Standard

11/12

Legion Athletics

Whey+ Grass-Fed Whey Protein Isolate

$59.99($2.00/serving)

Legion uses 'Truly Grass-Fed' certified milk from small Irish dairy farms, ensuring the highest animal welfare and nutritional standards. It is one of the best-tasting natural proteins available without using excessive sugars.

truly-grass-fedirish-dairyno-sugar-added+1

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🥩01Gold Standard

10/12

Garden of Life

Sport Organic Plant-Based Protein

$45.00($2.25/serving)

The premier choice for plant-based athletes, this product is both USDA Organic and NSF Certified for Sport. It provides a complete amino acid profile using a blend of pea, navy bean, lentil, and cranberry protein.

veganorganicnsf-certified+1

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🥩01Gold Standard

10/12

Protein Factory

Native Whey Protein Isolate

$45

True native whey extracted directly from fresh milk rather than cheese byproduct. Higher leucine content and lower denaturation from minimal processing. One of the few companies offering genuine native whey with custom formulation options.

hidden-gem

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🥩01Gold Standard

10/12

Bulk Nutrients

Whey Protein Isolate

$65

Australian company with strong quality control and competitive pricing. Their WPI is independently tested, unflavored options available for those avoiding artificial sweeteners. Good value for the quality.

hidden-gem

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collagen(1)

🥩02Excellent

9/12

Sports Research

Collagen Peptides

$31.95($0.78/serving)

$59.99($1.58/serving)

Promix sources exclusively from US-based farms and utilizes a flash-pasteurization process that preserves the highest levels of naturally occurring vitamins and minerals. It is a 'no-frills' protein designed for athletes who prioritize sourcing.

glyphosate-freeathlete-focusedus-sourced

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