Better Swaps · 2026

Alternatives to Bio-Synergy After Dark Protein

We score every casein against the same evidence-based clinical reference, so these swaps beat Bio-Synergy After Dark Protein on Effectiveness Match, true cost per serving, or both — never on brand reputation or marketing.

50

You're looking at

Bio-Synergy After Dark Protein

Casein · £1.50/serving

Applied Nutrition 100% Casein Protein is our top-rated alternative to Bio-Synergy After Dark Protein, scoring 88/100 on Effectiveness Match versus 50.

Better-rated swaps

Higher Effectiveness Match than After Dark Protein on our reference spec.

88

Applied Nutrition 100% Casein Protein

£0.83/serving · +38 vs After Dark Protein

Buy
80

The Protein Works (TPW) 100% Micellar Casein

£1.09/serving · +30 vs After Dark Protein

Buy
80

USN 100% Premium Micellar Casein

£1.17/serving · +30 vs After Dark Protein

Buy
77

Scitec Nutrition Casein Complex

£1.26/serving · +27 vs After Dark Protein

Buy
73

MyProtein Micellar Casein

£1.06/serving · +23 vs After Dark Protein

Buy
70

Reflex Nutrition Micellar Casein

£1.67/serving · +20 vs After Dark Protein

Buy

Better-value swaps

More Effectiveness Match per pound than After Dark Protein — true cost per full effective serving.

88

Applied Nutrition 100% Casein Protein

£0.83/serving · +38 vs After Dark Protein · value pick

Buy
80

The Protein Works (TPW) 100% Micellar Casein

£1.09/serving · +30 vs After Dark Protein · value pick

Buy
73

MyProtein Micellar Casein

£1.06/serving · +23 vs After Dark Protein · value pick

Buy
80

USN 100% Premium Micellar Casein

£1.17/serving · +30 vs After Dark Protein · value pick

Buy
77

Scitec Nutrition Casein Complex

£1.26/serving · +27 vs After Dark Protein · value pick

Buy
64

Optimum Nutrition Gold Standard 100% Casein

£1.48/serving · +14 vs After Dark Protein · value pick

Buy

Straight face-off: After Dark Protein vs 100% Casein Protein →

See the full ranking: Best Casein UK 2026 →

How to choose: Casein 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.

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