Protein powder
Protein powder
Definition
Protein powders are concentrated, dehydrated protein supplements derived from various sources (milk, eggs, plants). Their main purpose: hit daily protein needs simply and quickly when food is hard.
💡 Protein powders are a tool, not a magic bullet. They can replace nothing for those who eat enough protein from food.
The different types of protein powders
| Type | Source | Absorption | Best for |
|---|---|---|---|
| Whey concentrate | Milk | Fast (1-2h) | Post-workout, snack |
| Whey isolate | Milk filtered | Very fast | Lactose intolerant, low-cal |
| Whey hydrolysate | Pre-digested whey | Ultra fast | Premium, more expensive |
| Casein | Milk | Slow (5-7h) | Before sleep |
| Plant protein | Pea, rice, soy | Medium | Vegan, allergic |
| Egg white | Egg whites | Medium | Lactose intolerant |
Benefits of protein powders
- ✅ Convenience: 25-30 g protein in 30 sec
- ✅ Affordable: cheaper per gram than meat
- ✅ Time-efficient: ideal for busy schedules
- ✅ Quality control: known protein content
- ✅ Versatile: shake, oatmeal, pancakes, recipes
- ✅ Travel-friendly: easy to carry
How much protein per day?
| Profile | Daily intake |
|---|---|
| Sedentary | 0.8 g/kg of BW |
| Active general | 1.2-1.6 g/kg |
| Strength training (hypertrophy) | 1.6-2.2 g/kg |
| Cutting (muscle preservation) | 2.2-2.6 g/kg |
| Elite athlete | Up to 3 g/kg |
Protein powders fill the gap when you can't eat enough.
How to choose a quality protein powder
- ✅ Protein content: 80%+ of weight (concentrated whey)
- ✅ Short ingredient list: no proprietary blend
- ✅ Independent quality stamp: Informed Sport, NSF
- ✅ Reasonable price: $25-50/kg for whey
- ✅ Taste/texture: matters for daily compliance
- ❌ Avoid: excessive sweeteners, fillers, fancy "complexes"
When to take protein powder
- ✅ Post-workout: quick, fast absorption
- ✅ Snack: between meals to maintain steady intake
- ✅ Breakfast: complement to oats or yogurt
- ✅ Before bed: casein for slow release
- ✅ When you can't eat solid: rushed mornings, traveling
Common mistakes
- ❌ Replacing real food with shakes (lack of micros, fiber)
- ❌ Taking 100 g of protein in one go (max ~40 g per meal usefully absorbed)
- ❌ Buying based on packaging, not ingredients
- ❌ Thinking that "more = better" (excess protein doesn't help)
- ❌ Neglecting other macros (carbs, fats, fiber)
Key takeaways
Protein powders are a convenience tool, not magic. Useful to fill the gap if you struggle hitting your daily protein. Real food first, supplement second. Choose quality, simple, well-priced.
Related terms
The Push/Pull/Legs program divides the workout into 3 types of sessions: push (chests/shoulders/triceps), pull (back/biceps) and legs. Optimal for all levels with frequency 2x/week per muscle.
RIR (Reps in Reserve) measures how many reps you have left before failure. Modern, intuitive tool to manage intensity.
RPE (Rate of Perceived Exertion) is a 1-10 scale to measure subjective effort. Essential tool for managing intensity.
Range of motion (ROM) is the amplitude through which a joint or muscle can move during an exercise. Crucial for hypertrophy and joint health.



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