Top 10 Casein Protein Powders
Casein powders are known for slower digestion and are often chosen for evening use. This page highlights some of the most popular casein proteins on Amazon.
- ✅ Updated September 2025
- 🏆 Best-Selling
- 📝 Editorial Reviews & Comparisons
Gold Standard 100% Casein
Top Selling Casein Protein Powders (Compared Side by Side)
| 🥇 Optimum Nutrition Gold Standard 100% Casein | 🥈 PBN Micellar Casein Powder | 🥉 PBN Micellar Casein Pouch | |
|---|---|---|---|
| Protein (g) | 24 g | 24 g | 23 g |
| Calories | 120 kcal | 107 kcal | 104 kcal |
| Type | Micellar Casein | Micellar Casein | Micellar Casein |
| Texture | Creamy & thick | Smooth & thick | Smooth & thick |
| Sweetener | Acesulfame K & Sucralose | Acesulfame K & Sucralose | Acesulfame K & Sucralose |
| Sugar Level | Low | Low | Low |
| Carbs Level | Low | Low | Low |
| Fat Level | Low | Low | Low |
| Fibre Level | Low | Low | Low |
| Servings | 28 | 66 | 33 |
| Extras | 100% Micellar Casein; Slow digesting & low sugar/fat | Pure Micellar Casein; Vanilla flavour | Micellar Casein in 1 kg bag |
| Value for money | 3.5/5 | 4.0/5 | Best Value 4.5/5 |
| Overall | Excellent | Excellent | Very Good |
| Best for | Lean Goals | All‑Rounder | Budget Pick |
| View Product → | View Product → | View Product → |
For general comparison purposes, amounts and servings are approximate and taken from product labels. All “Value for Money” scores are editorial ratings based on the author’s independent assessment. Macro levels (Low/Medium/High) are simplified for ease of comparison. Information is for general purposes only.
FAQs
What is casein protein?
Casein is a slow‑digesting dairy protein powder often used in the evening.
Does it build muscle like whey?
Casein provides protein over a longer period. Choosing between casein and whey depends on your personal preferences and timing.
Is it thicker than whey?
Yes. It often mixes to a thicker, pudding‑like texture if not blended thoroughly.
Can I use it during the day?
Yes. Many people use casein between meals or in recipes like protein puddings.
Want a faster option? Explore the best whey powders for quick absorption and recovery.
See Top Whey Powders →