Better Swaps · 2026
Alternatives to Naughty Boy Amino Black
We score every intra-workout against the same evidence-based clinical reference, so these swaps beat Naughty Boy Amino Black on Effectiveness Match, true cost per serving, or both — never on brand reputation or marketing.
TrainedByJP JP Intra is our top-rated alternative to Naughty Boy Amino Black, scoring 69/100 on Effectiveness Match versus 49.
Better-rated swaps
Higher Effectiveness Match than Amino Black on our reference spec.
Better-value swaps
More Effectiveness Match per pound than Amino Black — true cost per full effective serving.
Straight face-off: Amino Black vs JP Intra →
See the full ranking: Best Intra-Workout UK 2026 →
How to choose: Intra-Workout buyer's guide →
Effectiveness Match scores active doses against evidence-based standards. Informational only — not medical advice. Some links are affiliate links; we may earn a commission at no cost to you.