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Sports supplementation
Sports supplements, own brand, sorted by the moment you take them: pre-workout, intra-workout and post-workout. Find the sports supplements you actually use — creatine, protein powder, amino acids, glutamine and electrolytes — in powder, capsules, ready-to-drink shakes and chews.
Pick by your situation. If you train strength at the gym, start with pre-workout, built around creatine. If your sessions run past the hour, what you need lives in intra-workout and hydration. And if food alone doesn't get you to your protein, look at post-workout.
All own brand, with the grams per serving on every product page.
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By moment of use
Food first; supplements for what's missing
Sports supplements, sorted by when you take them
Sports supplements don't fix a weak diet, and we're not going to sell them to you that way. Each product covers one specific gap: daily creatine, the carbohydrates for a long session, the protein that doesn't arrive with dinner.
Shop sports supplementsPowder, capsules, shake and chews
The formats you'll find in this category today
Sorted by moment
Pre, intra and post-workout, each in its own subcategory
3 g of creatine
The amount set by the EU's authorized claim
Own brand
Full composition on every product page
How to choose for your goal
Choose by the limit you're hitting today, not the longest list.
Strength and high intensity
The base is two things: 3 g of creatine a day, which increases performance in successive bursts of short-term, high intensity exercise, and hitting your total protein, between 1.4 and 2 g per kilo according to the ISSN: protein contributes to a growth in muscle mass.
Sessions over an hour
Cycling, trail, padel or long rides call for carbohydrates and electrolytes while you move: the ACSM sets the reference at 30-60 g an hour. Here it's covered by chews and isotonic powder, alongside hydration.
Back-to-back sessions
If you train four or more days a week, the priority is hitting your daily protein; the serving after training is the easy way to do it. Here you'll find protein powder, shakes, glutamine and ZMA.
Before, during or after
Three moments, three different needs. Each one has its own subcategory.
Pre-workout
Before training
JustLoading's pre-workout is creatine, BCAAs, HMB, L-carnitine and electrolytes, with no caffeine. Creatine is the only one with an authorized claim on performance: 3 g a day. What pre-workout is, in the pre-workout guide.
Intra-workout
During effort
Intra-workout sustains efforts over an hour with carbohydrates and electrolytes. The isotonic powder is in this same category. Under 60 minutes, water is usually enough on its own.
Post-workout
After training
Post-workout covers the 20 to 40 g protein dose, glutamine, and zinc and magnesium capsules. What to eat around it, in what to eat after the gym.
What to check before you buy
Three facts you check on the label, not the photo on the tub.
The dose per serving, in its unit
Grams of creatine or protein, milligrams of sodium. If the label only states the tub's total weight, or hides the amounts behind a proprietary blend, you don't know what you're buying. The per-serving breakdown is on every product page.
The daily dose without doubling up
Check how many servings it takes to reach the daily reference amount, like the 3 g of creatine. Ideally one serving gets you to the daily dose; to compare prices, work out the cost per day, not per tub.
What the label promises
In the EU, only the authorized claims of Regulation 432/2012 can be used. If a tub advertises an anabolic effect or a shortcut against body fat, it's declaring something the rules don't allow: skip it without reading further.
Myths that cost you money
Three beliefs that make you overbuy.
Myth: the 30-minute window
The ISSN puts the useful window at several hours around your workout. What matters is your daily protein total, 1.4 to 2 g per kilo. Post-workout is convenient logistics for hitting that total, not a race against the clock.
Myth: BCAAs replace protein
BCAAs are three of the nine essential amino acids: leucine, isoleucine and valine. Complete protein brings all nine, and it's the one with an authorized claim on muscle mass. If you're short of your daily protein, BCAAs don't close that gap.
Myth: if you don't feel it, it's not working
Creatine doesn't make itself felt on day one: it raises muscle stores by 20 to 40% over several weeks, according to the ISSN. Not feeling it today doesn't mean it isn't building up.
Tip: if you're only going to buy one, pick the moment where your real limit is. The exception is creatine monohydrate: it's 3 g a day, any time, including rest days. In heat or long sessions, add hydration.
Frequently asked questions
What is sports supplementation?
Sports supplementation is the set of products that deliver specific nutrients — creatine, protein, amino acids, carbohydrates or electrolytes — in measured doses to go alongside training. It's organized by moment of use: pre, intra and post-workout. It complements your diet, it doesn't replace it.
What are sports supplements for?
To provide, in a measured dose, what food doesn't cover well at a specific moment: your daily creatine, the carbohydrates for a session over an hour, or the protein your meals don't deliver. What each one can promise is set by its authorized claim, if it has one: creatine's covers performance in successive bursts of short-term, high intensity exercise.
What supplements should an athlete take?
It depends on your limit, not your sport. If you train strength, creatine: 3 g a day. If your sessions run past the hour, carbohydrates and electrolytes during. If food alone doesn't get you to your protein, protein after. And if your diet isn't in order, start with the diet.
What are the best sports supplements?
If you have to pick one, creatine monohydrate: it's the most studied and, of the five substances with solid evidence according to the International Olympic Committee's 2018 consensus, the only one with an authorized claim in the EU, conditional on 3 g a day. The others are caffeine, nitrate, beta-alanine and sodium bicarbonate. It's the cheapest filter before paying for a promise.
What's the difference between pre, intra and post-workout?
The moment of use and what they provide. Pre-workout brings together creatine, amino acids and electrolytes with no caffeine; intra-workout sustains efforts over an hour with carbohydrates and electrolytes; post-workout provides protein and minerals.
Can I combine creatine with pre-workout and electrolytes?
Yes. Creatine is 3 g daily, the amount in the EU's authorized claim, and you can spread the rest of your doses however suits you. Each serving's composition is on the product page.
Are there gluten-free sports supplements?
The answer is on the label, not the category. In the EU, the "gluten-free" claim can only be used below 20 mg of gluten per kilo, and allergens are highlighted in the ingredients list. Every JustLoading product page includes that full list before you buy.
Do sports supplements replace a good diet?
No. The International Olympic Committee's consensus is explicit: food first, and supplements only for what your diet can't solve well in a specific moment, like taking 30-60 g of carbohydrates an hour mid-session. If the base fails, no tub makes up for it.
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