
Transparent Labs 100% Grass-Fed Whey Protein Isolate
Ingredient-conscious consumers who want full label transparency with grass-fed whey isolate

Gainful Everyday Whey Protein Powder
Consumers who want Informed Sport-certified whey with customizable flavor options
Score Comparison
Pricing & Features
Making Your Decision
When to Choose Transparent Labs 100% Grass-Fed Whey Protein Isolate
Ingredient-conscious consumers who want full label transparency with grass-fed whey isolate
Transparent Labs lives up to its name with full-disclosure labeling and zero proprietary blends. The grass-fed whey isolate delivers 28g protein per serving with clean ingredients. While it lacks NSF certification, the published independent lab results provide strong purity assurance.
Strengths
- Fully transparent label with every ingredient amount disclosed — no proprietary blends
- Grass-fed whey isolate with 28g protein per serving and no artificial additives
- Independently tested with published lab results for purity verification
Limitations
- Not NSF Certified for Sport — uses independent lab testing instead
- At $2.00/serving, positioned above many budget alternatives
- Only available direct-to-consumer and Amazon — no retail store presence
When to Choose Gainful Everyday Whey Protein Powder
Consumers who want Informed Sport-certified whey with customizable flavor options
Gainful offers a unique approach with its customizable flavor system atop a clean, Informed Sport-certified whey base. The ingredient quality is high and the certification credible, but the premium pricing and smaller portions make it one of the more expensive options per serving.
Strengths
- Informed Sport certified with batch-level testing for banned substances
- Clean ingredient list with no artificial sweeteners, colors, or fillers
- Customizable flavor system with separate stick packs for flavor variety
Limitations
- Higher cost per serving at $2.79 due to smaller container sizes
- Unflavored base requires purchasing separate flavor sticks
- Less widely available than established brands — primarily direct-to-consumer

