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10X Athletic

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FAQs

How much caffeine is in 10X Athletic STIM pre-workout?

10X lists 400mg of caffeine anhydrous per full scoop of STIM. Older labels showed 450mg, so check the tub you receive. 10X advises first-time users to start with half a scoop, which is roughly 200mg. A full scoop uses up the whole 400mg a day that EFSA gives as the maximum for healthy adults from all sources, so skip coffee and energy drinks that day and don't take it late in the evening. Not for under-18s or during pregnancy or breastfeeding.

What's the difference between 10X STIM and 10X PUMP non-stim?

According to 10X, both share the same base: 8g citrulline malate, 3.2g beta-alanine, 3g creatine monohydrate, betaine, L-tyrosine, electrolytes and B vitamins in a 600g tub. STIM adds caffeine. PUMP is caffeine-free, which makes it the one to choose for evening sessions or if you avoid caffeine. Either one can cause a temporary tingling feeling, which is a known effect of beta-alanine.

What flavours do 10X STIM and PUMP come in?

10X makes STIM and PUMP in the same eight flavours: Apple Attack, Atomic Orange, Cobra Ki, Fruit Bomb, Loco Limon, Mad Mandarin, Peach Purge and Wreck It Raz. The formula is the same in every flavour, so it comes down to taste. GymStack doesn't always have all eight in stock, and the product grid on this page shows the STIM and PUMP flavours you can order today.

Is 10X Athletic Informed Sport tested?

Informed Sport's October 2026 certified list includes 10X Stim, 10X Pump Non-Stim, 10X Whey Protein, 10X Vegan Protein, 10X EAA + Electrolytes and 10X CRE. The 10X gummies are not on that list. Certification applies batch by batch, so if you are tested under UKAD or WADA rules, look up the batch number on your tub at wetestyoutrust.com before you use it.

How much protein is in 10X Athletic whey and vegan protein?

10X Whey Protein gives 23g protein per scoop from grass-fed whey concentrate, with added DigeZyme enzymes. It contains milk and may contain soy. 10X Vegan Protein gives 20g per scoop from pea protein, and 10X states it has no soy, gluten or lactose. Protein contributes to the growth and maintenance of muscle mass, so choose whichever suits your diet and the flavours you like.

What's the difference between 10X CRE and 10X creatine gummies?

CRE is unflavoured micronised creatine monohydrate powder in a 300g tub, and it is on the Informed Sport list. The lemon Creatine Gummies give 1g each, with 3 gummies per serving and 20 servings a pack. They contain sugar and bovine gelatine, so they aren't vegan. Both can give 3g a day. For adults doing high-intensity exercise, creatine increases physical performance in successive bursts of short-term, high-intensity exercise, and the effect is obtained with 3g of creatine daily.

What is in 10X Athletic EAA + Electrolytes?

10X states each serving contains all nine essential amino acids, including 4g leucine in a 4:1:1 BCAA ratio, plus 750mg electrolytes, 4g citrulline malate, four B vitamins and Bioperine black pepper extract. The amino acids are vegan-sourced, and it comes in a 450g tub you mix and sip during training. It is caffeine-free, and it is on the Informed Sport certified list.

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