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RTD
Ready-to-drink protein shakes: open, drink, and go. Discover liquid protein in an individual bottle, in chocolate and cookie, lactose-free per the label and with nothing to prepare, measure, or wash up after.
Toss one in your gym bag, in the car, or in your work bag, for the rushed days when a proper meal is out of reach. Between meals, it works too.
Do you make a shake at home every day? Go to protein powder and set your own dose. Prefer something to chew? Try protein bars. Our own brand, with the grams of protein per bottle on every product page.
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Product available with different options
Liquid protein
No scoop, no shaker, no sink
Ready-to-drink protein shakes
A ready-to-drink protein shake is protein already dissolved in an individual bottle, with the serving fixed at the factory: 20g of protein per bottle, per the label. It's the format for the days when making a shake is exactly what you're not going to do.
Shop ready-to-drink shakesLiquid protein
Individual bottle: open and drink, no shaker
Chocolate and cookie
The serving comes fixed in every bottle
20g per bottle
Per the label; the ISSN puts the serving at 20-40g
Our own brand
Protein grams and allergens on every product page
When a ready-to-drink shake pays off
The liquid format doesn't compete with powder on composition: it competes on when you drink it.
Right after training
The serving doesn't depend on carrying a shaker, water, and a tap nearby: you open the bottle in the changing room and you're done. It's the moment a serving most often gets skipped for logistics, not for lack of will.
Office, shifts, and travel
The individual bottle survives in a bag and needs no scoop or sink. On long days it adds a protein serving with nothing to cook and the calories already counted on the label.
Between meals, no cooking
If you're short by mid-afternoon, a shake covers one of the day's servings: it's the one that's easiest to skip when nothing's already prepared.
When it doesn't pay off
If you make two shakes a day at home, protein powder works out cheaper: lower cost per serving and you choose the strength and flavor. This format is worth paying for the convenience, not the protein.
Ready to drink, powder, or bar
All three are protein-based products: the same protein underneath, different format, cost per serving, and moment of use.
At home
Protein powder
Protein powder is mixed in a shaker and lets you decide how much you add, between 20 and 40g per serving per the label. It's the format with the lowest cost per serving for daily use, and you'll find it in protein powder.
Away from home
Ready-to-drink shake
A ready-to-drink shake comes with the serving already dissolved in the bottle: nothing to measure or mix. It's what's in this category, in chocolate and cookie, the format you carry with you and drink wherever you are.
To chew
Protein bar
A protein bar covers the same serving in solid form and fills you up more than a liquid. It's what fits in a bag or a desk drawer, where a bottle gets in the way. Find them in protein bars.
What to check before you buy
Four facts that come from the label and the bottle, not the wrapper or the flavor.
Grams per bottle
It's the number that decides: the ISSN puts a useful serving at 20-40g of protein. Compare per bottle, not per 100ml, because a small, concentrated bottle can deliver more than a large, diluted one.
12% of the energy value
To claim "source of protein", a product needs at least 12% of its energy value to come from protein. That's the threshold under Regulation (EC) No 1924/2006 and the condition for using the claims authorized in the EU.
Sugars per serving
The ready-to-drink format is where the label varies most: two shakes with the same protein can differ a lot in sugars. Look at them per bottle, what you actually drink in one go, not per 100ml.
The protein type and lactose
Most prepared shakes start from milk protein, whey or casein. If lactose doesn't agree with you, check the ingredients and allergens on the product page before buying: that's where the full composition is.
How it fits your day: one shake covers one of the day's servings, not all of them; the base is high-protein foods. If you're torn between protein and creatine, we cover it in creatine vs protein.
Ready-to-Drink Shakes FAQ
What is a ready-to-drink protein shake?
A ready-to-drink protein shake is a packaged protein drink that delivers one serving of protein already dissolved. Unlike protein powder, it needs no preparation: you open it and drink, with the dose fixed at the factory in every bottle. It's abbreviated RTD, for ready to drink.
How many grams of protein should a shake have?
Between 20 and 40 grams per serving is the reference range the ISSN gives for adults who train. The EU-authorized claim is that protein contributes to a growth in muscle mass and to the maintenance of muscle mass, in products that are a source of protein. The rest of your day decides how much you need from that bottle.
What pays off more, a ready-to-drink shake or protein powder?
It depends on where you drink it. The ready-to-drink shake wins away from home: exact serving, no shaker, nothing to clean. Protein powder wins at home, with more servings per pack and a lower cost per serving. And if the real alternative is skipping the serving, the individual bottle pays for itself.
Are there lactose-free protein shakes?
Yes: the label on these shakes states lactose-free, unlike most prepared shakes, which start from milk protein. Check the ingredients list and allergens on the product page anyway before buying, because the rest of the composition can vary between flavors.
Which is the best protein shake?
There's no single one for everybody: you choose by the label. Check three things in this order: the grams of protein per bottle, with 20-40g per serving as the reference; the sugars per serving; and what protein it starts from. With those three filters the comparison takes a minute.
Do I have to drink it right after training?
No need. The so-called anabolic window is measured in hours, not minutes: what matters is your total daily protein, spread across servings every three to four hours per the ISSN. The advantage of a ready-to-drink shake isn't the exact minute, it's that it makes it easy not to skip the serving.
Can I drink a protein shake every day?
Yes, if your daily total is reasonable. The reference for someone training for strength is 1.4 to 2.0g of protein per kilo of body weight a day counting all food, and a shake fits in there easily. Past 1.6g per kilo, a meta-analysis of 49 studies found no extra lean mass.
Does a protein shake work while dieting?
It works for reaching your protein goal with the calories already counted per bottle. The EU authorizes no weight-loss claim for protein; what Regulation (EU) No 432/2012 does state is that it contributes to the maintenance of muscle mass, which is what matters in a calorie deficit.
Are prepared protein shakes healthy?
They deliver the protein the bottle declares; the difference between one and another is in the rest of the label. They're a supplement to your diet, not a meal replacement: one bottle covers one serving, not a plate with vegetables, fat, and fiber. As a supplement, they fit just fine.
Do supermarket or pharmacy protein shakes work?
The label decides, not the aisle: the same claim rules apply in a supermarket, a pharmacy, and here. What changes is the selection: many mass-market drinks fall well short of 20-40g per serving and run higher in sugars. If the label only says "with protein", you're missing the number.