Momentous Essential Grass-Fed Whey Protein Isolate
Athletes and health-conscious consumers who prioritize third-party testing and heavy metal safety
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 Momentous Essential Grass-Fed Whey Protein Isolate
Athletes and health-conscious consumers who prioritize third-party testing and heavy metal safety
Momentous sets the standard for clean, safe protein powder. NSF Certified for Sport and ranking among the safest in Consumer Reports heavy metal testing make it the top choice for anyone who values purity above all else. The premium price is the trade-off for that peace of mind.
Strengths
- NSF Certified for Sport — the gold standard for third-party testing verification
- Ranked #3 safest in Consumer Reports 2025 heavy metal screening (below detection limits)
- Grass-fed whey protein isolate with minimal ingredient list
Limitations
- Premium price at $2.40/serving puts it among the most expensive options
- Only 25 servings per container requires frequent reordering
- Limited flavor selection compared to mass-market competitors
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
