Why You Need this Hard Hitting Pre-Workout - insidefitnessmag.com

SWELL is a complete pre-workout that utilizes the power of performance-enhancing ingredients along with nootropics to provide you with a dominant one-two punch combo. Ingredients like Citrulline Malate, Glycerol Monostearate, and Agmatine Sulfate kickstart the formula increasing blood flow to transport key nutrients to the working muscles, enhancing muscular pumps, boosting performance and priming your body for accelerated muscle growth.

Tie all of that in with the power of nootropics and you have the perfect marriage of ingredients. Alpha GPC, Lion’s Mane, and Huperzine A have been strategically added to SWELL allowing you to attain a high level of mental focus during your workouts in addition to boosted cognition and memory. Attaining a commanding mind-muscle connection can help you dial in each rep allowing you to target those deep muscle fibres & increase your muscle gains.


Mammoth SWELL is great for those who are sensitive to caffeine and caffeine-related stimulants. It is a perfect fit for those who train in the evening AND would like to fall asleep easily afterwards.

No more restlessness, insomnia, and broken sleep

The difference is with Mammoth SWELL you won’t be sacrificing intensity, SWELL has added ingredients that will get you laser-focused and super pumped. In a world full of maximum doses of caffeine, SWELL caters to those who are dedicated yet want a clean source of energy without a crash and caffeine-related side effects.

Mammoth SWELL elevates your mental and physical performance to maximize your time in the gym and get the best results possible, all while allowing you that important post-workout rest and recovery.

  • Enhance workout performance
  • Boost cognition
  • Increase energy
  • Dial-in mental focus
  • Improve muscular pumps
  • Reduce mental fatigue
  • Support muscle growth
  • Scientifically-backed efficacious dosages
  • Delicious flavour
  • No restlessness, insomnia, or broken sleep
  • No artificial colours or dyes

Pre-workouts are the most popular category in all of sports nutrition and for good reason – they help you push yourself to the max each time you step into the gym. Fitness enthusiasts looking for an exceptional caffeine-free pre-workout that delivers intense muscle pumps and laser focus can look no further. We’ve got you covered with Mammoth SWELL.


Citrulline Malate 2:1 | 6000mg (4000mg L-Citrulline)

Aids in the production of energy, supports muscular pumps, and helps improve performance

Glycerol Monostearate | 1500mg (90%)

Supports proper hydration levels in the body while also enhancing the pump and muscle fullness

L-Taurine | 1500mg

A natural anti-inflammatory ingredient that supports proper brain function, promotes muscle recovery, and can improve mood

Agmatine Sulfate | 1000mg

Helps build muscle by increasing nitric oxide for a more pronounced pump while also acting as a neurotransmitter and neuromodulator

Lion’s Mane | 500mg

A potent nootropic that can improve mood, boost mental performance, support nerve function, is a natural anti-inflammatory, is rich in antioxidants, and can boost cognition

Alpha GPC | 300mg

A powerful ingredient that can improve mental performance, cognition, focus, and memory

Maritime Pine Bark | 200mg

Allows for greater performance and endurance while also supporting heart health, metabolic function, and mood

Vitamin C | 100mg

Supports the production of healthy muscle tissue, cartilage, and bones while also being a powerful antioxidant to aid in boosting the immune system

Toothed Club-Mass/Huperzia Serrata Extract | 5mg

Helps support memory and cognition while supporting overall brain health and mental performance

Mammoth Supplements is committed to product quality. Finished product testing is conducted in-house and verified by a third party analytical laboratory


We take pride in hearing consumer feedback. Understanding the wants and needs of our end-consumer is important to us as we develop and release products you want based on your needs. We carefully select ingredients and dosages based on the latest scientific evidence as well as customer feedback.

Here's what a few people have said recently about Mammoth SWELL:

“The caffeine-free pre-workouts that I’ve tried in the past never did anything for me. Mammoth SWELL actually blew me away. I purchased the product without getting my hopes up, but to my surprise, this product absolutely delivered. My workout performance improved, and I love the included nootropics and the way they make me feel.” – Jamie T.

“I’ve been using stim-based pre-workouts for years but realized my adrenals were getting fatigued. I decided to give SWELL a try and allow my adrenals to reset. Now that I’ve tried this pre-workout, I don’t see myself ever going back to anything else – including caffeine. My workout intensity has increased and my results prove it.” – Chris B.

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