Red Rex Stomp Pre-Workout by Big Ramy Labs: 300 mg caffeine and 6 g citrulline per serving
Red Rex Stomp is the Red Rex pre workout from Big Ramy Labs. A full serving of 2 scoops (17.5 g) combines 300 mg of caffeine with a 7,500 mg ‘muscle pump complex’ (6,000 mg citrulline, 1,000 mg arginine AKG and 500 mg Nitrosigine arginine silicate), plus 3,200 mg beta-alanine, 1,500 mg creatine HCl, 1,000 mg taurine and 500 mg N-acetyl L-tyrosine, for 10 calories. The 455 g tub holds 26 servings; mango is in stock. It suits experienced adult lifters who tolerate a high caffeine dose and want one scoop-and-go drink before training. There are no authorised health claims for this formula, and at 300 mg caffeine it is not a beginner’s pre-workout.
What’s in a serving (2 scoops, 17.5 g)
| Per serving | Amount |
|---|---|
| Citrulline blend (L-citrulline, citrulline malate) | 6,000 mg |
| Arginine AKG | 1,000 mg |
| Arginine silicate (Nitrosigine) | 500 mg |
| Beta-alanine | 3,200 mg |
| Creatine HCl | 1,500 mg |
| L-taurine | 1,000 mg |
| N-acetyl L-tyrosine | 500 mg |
| Caffeine anhydrous | 300 mg |
| Calories / sodium | 10 / 75 mg |
Other ingredients: natural and artificial flavours, silicon dioxide, sucralose, salt, red beet powder, sodium citrate, beta-carotene. Made in a facility that also processes milk, soy, sesame, egg, peanuts, tree nuts, fish, shellfish and wheat.
Who it suits
- Experienced stimulant users: 300 mg caffeine in one serving.
- Pump-focused sessions: 6 g citrulline plus two forms of arginine.
- Not for beginners or anyone sensitive to caffeine.
- Compare: other pre-workouts, or stimulant-free citrulline and beta-alanine in L-arginine and beta-alanine.
How to use
Mix 2 scoops into 240 to 340 ml of cold water and drink it before training; use more or less water to taste. If you’re new to stimulants, start with 1 scoop. Never take more than 1 serving a day, avoid other caffeine on the same day, and don’t take it within about 6 hours of bedtime. The beta-alanine can cause a harmless tingling of the skin. Store below 30 °C in a dry place, away from direct sunlight.
Pack size
455 g (1 lb) tub, 26 servings; mango in stock. See the full Red Rex range.
How to check your pack
- The seal under the lid is intact and the scoop is inside.
- The front reads ‘Big Ramy Labs Red Rex Stomp Pre-Workout, Net Wt 1 lbs (455 g), 26 Servings’ with the flavour.
- The importer sticker, batch number and expiry date are on the tub.
Why order from iFIT
- Sourced from Big Ramy Labs or its authorised distributor, with importer details, batch and expiry on every tub.
- Tax invoice with every order.
- Card, valU or cash on delivery to every governorate.
Red Rex Stomp questions
How much caffeine is in Red Rex Stomp?
300 mg per full serving of 2 scoops, about as much as three cups of coffee. Don’t take other caffeine (coffee, energy drinks, fat burners) on the same day, and don’t take it within about 6 hours of bedtime.
What’s in a serving?
2 scoops (17.5 g) give 6,000 mg citrulline, 1,000 mg arginine AKG, 500 mg arginine silicate (Nitrosigine), 3,200 mg beta-alanine, 1,500 mg creatine HCl, 1,000 mg taurine, 500 mg N-acetyl L-tyrosine and 300 mg caffeine, with 10 calories.
Why does my skin tingle after taking it?
That is the 3.2 g of beta-alanine. A tingling or pins-and-needles feeling on the face, neck or hands is a common, harmless reaction and fades within an hour or so.
How do I take it?
Mix 2 scoops into 240 to 340 ml of cold water and drink it before training. If you’re new to stimulants, start with 1 scoop to check how you react. Never take more than 1 serving a day.
Who should not use it?
The label says it is only for healthy adults 18 or older, not for pregnant or breastfeeding women. Avoid it if you are sensitive to caffeine or have a heart condition, and ask your doctor first if you take any medication. Food supplements don’t replace a varied diet. If you’re pregnant, breastfeeding, under 18, taking medication or have a medical condition, ask your doctor first.
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