Overview
You know the feeling. Gym bag’s packed, you’re sitting in the parking lot, and you just can’t make yourself walk inside. Maybe it was back-to-back meetings that drained you before you even left the office. Maybe it’s the third night this week you’re choosing between a workout and the couch. Your body showed up, but your drive checked out hours ago.
That gap between wanting to show up for yourself and actually having the fuel to do it is where a pre workout powder either earns its keep or falls flat. Crazy Nutrition’s INTENSIVE Pre-Train is built for that exact gap, a 13-ingredient formula meant to bring back motivation, focus, and physical energy so a “maybe tomorrow” turns into an actual training session
In this Crazy Nutrition INTENSIVE review, we’ll go through what’s really in the formula, how it works, what customers are saying, and whether it’s worth adding to your routine.
Quick Verdict
Crazy Nutrition INTENSIVE Pre-Train is a clean pre-workout made for people who want more energy, to be focused, and endurance without depending on caffeine alone. Pre-Train formula 2.0 combines 13 ingredients, including Citrulline Malate, Beta-Alanine, L-Taurine, En-Xtra, and KSM-66 Ashwagandha.
It also offers transparent dosing, with 30 servings per pouch, and also a Subscribe & Save option with 30% savings. Overall, it looks well suited to regular gym-goers who want smoother energy, stronger workout drive, and a more complete pre-workout formula.
What Is Crazy Nutrition INTENSIVE Pre-Train?
INTENSIVE Pre-Train is a pre-workout supplement built around 13 natural ingredients, aimed at energy, focus, endurance, and motivation, without the jittery, anxious edge a lot of caffeine-heavy formulas bring along for the ride. The current version, Formula 2.0, bumps up several key ingredient doses from the original recipe, including notably more citrulline malate, beta-alanine, B vitamins, and taurine.
Rather than leaning almost entirely on caffeine like a lot of competitors do, the formula pairs it with En-Xtra®, a patented ingredient designed to smooth out the energy curve and cut down the “crash” that usually follows a caffeine spike. It comes in blue raspberry (fruit punch is also on offer), delivers 30 servings per pouch, and is positioned as a daily training companion rather than an occasional boost.
How Does Crazy Nutrition INTENSIVE Pre-Train Rate?
Brand Highlights
- Premium sports nutrition formulas made with carefully selected, high-quality ingredients
- Focuses on a streamlined product range, offering one high-performance formula in each category
- Features Subscribe & Save options with up to 30% savings on recurring orders
- Backed by a satisfaction guarantee and secure online shopping
- Products are available exclusively through the official website
- Trusted by over 204,000+ customers and featured in leading fitness and lifestyle publications
Key Ingredients
- Citrulline Malate
- Beta-Alanine
- L-Taurine
- En-Xtra
- KSM-66
Pros
- Supports strong workout energy without harsh jitters.
- Helps improve focus and workout drive.
- Designed for maximum energy with less of a caffeine crash.
- Includes 13 active ingredients.
- Contains En-Xtra® for steadier energy support.
- Offers a delicious blue raspberry flavor.
- Provides 30 servings per pouch.
- Uses a natural-ingredient formula.
Cons
- Contains caffeine or stimulant-style support
- May not be suitable for evening workouts if caffeine affects sleep
- Individual results vary
How We Tested Crazy Nutrition INTENSIVE Pre-Train
We tested INTENSIVE Pre-Train by looking at the factors that matter most in a performance nutrition product. We assessed the formula’s ingredient transparency, its workout practicality, safety, price, and customer experience.
- Formula: We reviewed the 13-ingredient blend, the Formula 2.0 dose increases, and the research behind its key ingredients such as Citrulline Malate, Beta-Alanine, L-Taurine, En-Xtra, and KSM-66 Ashwagandha.
- Workout Use: We considered serving size, timing before training, flavor options, caffeine use, and how easily the formula fits into a regular gym routine.
- Value: We have compared the one-time price with the Subscribe & Save discount, also checked servings per pouch, and it provides free shipping on $60.03 and above.
- Customer Experience: We also looked at customer feedback on energy, focus, pumps, taste, clumping, and delivery.
Who Should Buy / Skip
Best for
- Regular gym goers looking for more workout energy, focus, and endurance.
- People who want a gym performance supplement with more than just caffeine.
- Those who prefer a transparent ingredient formula with clearly listed amounts.
- Users looking for smoother energy and less of a typical caffeine crash.
- Anyone comfortable taking a flavored pre-workout powder before training.
Not best for
- People who are highly sensitive to caffeine or stimulants.
- Those who usually train late in the evening and want to avoid sleep disruption.
- Pregnant or nursing individuals unless cleared by a healthcare professional.
About the Manufacturer
Crazy Nutrition is a sports nutrition brand built on the idea that athletes don’t need dozens of supplements to hit their goals. Instead, the company sticks to a carefully chosen range of formulas built to support energy, performance, muscle growth, recovery, and weight management.
The brand leans on quality over quantity, using well-researched ingredients and manufacturing in facilities that follow strict quality and safety standards. Transparent formulations and athlete-focused products are what make Crazy Nutrition’s approach to sports nutrition stand out, and honestly, that focus on keeping things simple is part of the appeal for fitness enthusiasts looking for something they can trust.
Product Specifications
| Specification | Detail |
|---|---|
| Product Name | Crazy Nutrition INTENSIVE Pre-Train Formula 2.0 |
| Product Type | Pre-workout powder |
| Primary Purpose | Supports workout energy, focus, endurance, motivation, and performance |
| Key Ingredients | Citrulline Malate, Beta-Alanine, L-Taurine, En-Xtra®, KSM-66® Ashwagandha, B vitamins, and Vitamin C |
| Servings | 30 servings per pouch |
| Stimulant Content | Contains caffeine |
| Purchase Options | One-time purchase or Subscribe & Save |
| One-Time Price | $64.99 |
| Subscription Price | $45.49 |
| Subscription Savings | 30% |
| Shipping | Free delivery on orders over $60 |
| Availability | Official Crazy Nutrition website |
How Does INTENSIVE Pre-Train Work?
The formula works by combining a few different mechanisms rather than banking on a single “energy hit.” Caffeine is paired with En-Xtra®, a patented ingredient sourced from South India that’s been clinically studied to help stop the usual caffeine crash while also lowering stress and stretching alertness out to five hours. Instead of a sharp spike followed by a hard drop-off, this pairing is what creates a steadier, longer-lasting energy curve.
Alongside energy, the formula also targets endurance and blood flow through ingredients like citrulline malate and L-arginine, both linked to improved blood flow and reduced muscle soreness during and after training. Beta-alanine is thrown in to help buffer lactic acid buildup in working muscles by supporting carnosine production.
Add a full B-vitamin blend to support the muscle energy production process, plus adaptogens like KSM-66® Ashwagandha to help regulate stress hormones, and you’ve got a formula trying to hit fatigue from a few different angles, not just masking it with stimulants alone.
INTENSIVE Pre-Train Key Ingredients
Here’s what powers the formula:

Citrulline Malate (2:1)
Citrulline malate is one of the more well-researched aminos in the sports nutrition world, and for good reason. It works by boosting nitric oxide production, which widens blood vessels and improves circulation to working muscles during a session.
That translates into better nutrient and oxygen delivery exactly when you need it most, along with measurably reduced muscle soreness in the day or two after a hard workout. Formula 2.0 bumps the citrulline malate content up by 14% over the original version, which should mean a slightly more noticeable pump and a bit less next-day stiffness for regular lifters.

Beta-Alanine
Beta-alanine is a non-essential amino acid, but don’t let that undersell it, it’s one of the most reliably effective ingredients in this entire formula. It works by raising carnosine levels in muscle tissue, and carnosine is what helps buffer the lactic acid buildup responsible for that burning, “I can’t do one more rep” sensation.
Research on trained sprinters found that beta-alanine supplementation meaningfully increased muscle carnosine content and reduced fatigue across repeated high-intensity efforts, a conclusion the Journal of the International Society of Sports Nutrition backs in its official position stand on the ingredient.

L-Taurine
Taurine is a naturally occurring amino acid best known for its role in energy metabolism, but its benefits extend well beyond that. It’s been linked to sharper mental focus and improved endurance capacity, which matters just as much as raw physical output during a demanding session.
In one study on trained middle-distance runners, a single dose of taurine produced a measurable improvement in running performance over a 3-kilometer distance. Formula 2.0 doubles the taurine content compared to the original, aiming to make that endurance edge more noticeable session after session.

En-Xtra®
This is arguably the ingredient that sets INTENSIVE Pre-Train apart from a basic caffeine-only formula. The brand says that it is sourced from South India and has been clinically studied specifically for its ability to prevent the sharp caffeine crash that leaves you feeling worse than before you started, while simultaneously lowering stress and extending alertness for up to five hours.
Rather than a short, jittery spike followed by a hard drop-off, pairing En-Xtra with caffeine is designed to create a smoother, longer, more sustainable energy curve throughout an entire training session.

KSM-66® Ashwagandha
Widely regarded as one of the most potent, clinically researched forms of ashwagandha available on the market today, KSM-66® is included here as an adaptogen, meaning it helps the body regulate its stress response rather than simply masking fatigue.
Its research base points to lower cortisol and stress levels, improved energy and endurance capacity, and even support for lean muscle gains over consistent use. For anyone whose workouts suffer on high-stress days, this is the ingredient quietly working to close that mental-physical gap.
How To Use INTENSIVE Pre-Train?
Mix one scoop of INTENSIVE Pre-Train with water (8 to 12 oz) and drink it about 20 to 30 minutes before your workout so the formula has time to kick in.
The brand recommends consistent use over time, 3 to 6 months, to experience the full benefit of the ingredient profile, rather than expecting a single scoop to be transformative.
For those training more frequently, the 40 or 60-serving packages tend to be the better fit, since running out mid-cycle can interrupt the consistency the formula is designed around.
Benefits Of INTENSIVE Pre-Train
Here are the key benefits INTENSIVE Pre-Train is designed to offer during training.
- Supports Workout Energy: INTENSIVE Pre-Train helps support the kind of energy you want before training. It is designed to help you feel ready to move without the harsh, shaky feeling some pre-workouts can cause.
- Enhances Focus: The formula includes focus-support ingredients like L-Tyrosine, L-Taurine, En-Xtra®, and B vitamins. These may help you stay more locked in during workouts.
- Helps Increase Motivation: Some days, the hardest part is starting. INTENSIVE Pre-Train may help support the mental drive needed to get into the workout and stay committed.
- Boosts Endurance: Ingredients like Beta-Alanine, Citrulline Malate, L-Taurine, and L-Arginine support stamina and fatigue resistance, helping you push through demanding sessions.
- Supports Better Performance: With more energy, focus, and endurance, users may feel more prepared for stronger lifts, longer sessions, and more productive workouts.
Side Effects of INTENSIVE Pre-Train
Most users tolerate the formula well, but it’s worth being upfront: beta-alanine, one of the core active ingredients, is known to cause a temporary tingling or itching sensation in some people. It’s a harmless, well-documented reaction to the ingredient itself, not a sign anything’s wrong with the product.
A small number of customer reviews mention this. There have also been occasional reports of the powder clumping or hardening in the pouch after extended storage, which looks like a texture and packaging issue rather than a safety concern, but it’s still worth knowing if you’re ordering multiple servings ahead of time.
Is INTENSIVE Pre-Train Safe?
For most of the healthy adults, INTENSIVE Pre-Train is created to be safe when used as directed, made with ingredients chosen specifically to avoid the jitters, racing of the heart, and getting their stomach upset that always come from a lower-quality pre-workout formula.
Because it contains caffeine and other active ingredients, people who are sensitive to stimulants should be careful, especially if they train later in the day. Pregnant or nursing individuals, and those managing a heart condition or taking medication, should check with a healthcare practitioner before use.
By following the recommended serving on the product label and avoiding extra caffeine from other sources, that can also help reduce the chance of unwanted effects.
How Effective Is INTENSIVE Pre-Train?
Crazy Nutrition INTENSIVE Pre-Train may be effective for healthy adults looking for support with energy, focus, endurance, motivation, and exercise performance.
The formula does more than just deliver a quick caffeine hit. Blood flow support, fatigue resistance, mental focus, smoother energy, and stress response help make it a more complete pre-workout than formulas that rely mostly on caffeine.
That said, customer feedback is generally encouraging, with many users praising the workout energy, pumps, and no crash support. Some users do mention issues such as slower shipping, but these concerns appear to relate more to product handling and delivery than the formula itself.
Overall, the ingredient profile and user feedback suggest that INTENSIVE Pre-Train can be a go-to option for regular gym-goers who want workout support in broader ways.
INTENSIVE Pre-Train Price
Crazy Nutrition INTENSIVE Pre-Train is available as a one-time purchase or a subscription.
- One-time purchase: $64.99
- Subscribe & Save: $45.49 (30% savings), with the option to cancel anytime and no long-term commitment
Given the brand’s own guidance that 3 to 6 months of consistent use delivers the best results, the subscription option is worth serious consideration for anyone planning to make this part of a regular training routine, since the per-tub savings add up meaningfully over time.
What Do The INTENSIVE Pre-Train Reviews Say?
Customer reviews for Crazy Nutrition INTENSIVE Pre-Train are mixed but useful. The product has a listed rating of 3.9 based on 34 reviews, with many users praising the workout energy, pumps, and no-crash support.
I have tried so many different pre workout brands and hands down the Crazy Nutrition Intensive Pre-Workout is the absolute best I’ve ever had. I get a great pump during my workout with no jitters or crash!” –Jamie D.
Taste was good. Felt energized through my whole workout. No crash afterwards.–Hector B.
The blue raspberry was clumped and very foamy, the fruit punch is a better product no clumps, mixes better with less foam. They both taste great and gives me the energy I need to push through a workout with no crash. – Charles P.
What Our Reviewer Noted
INTENSIVE Pre-Train is more than a basic caffeine-heavy pre-workout because the formula also targets focus, endurance, and workout drive.
We also liked the Formula 2.0 update, especially the higher amounts of citrulline malate, beta-alanine, B vitamins, and taurine. En-Xtra adds another useful element by aiming for smoother energy with less of the usual caffeine crash.
Why Trust Our Review
We reviewed Crazy Nutrition INTENSIVE Pre-Train by checking the ingredient profile, Formula 2.0 updates, official usage guidance, pricing, subscription terms, and customer feedback.
We also looked at the research behind key ingredients such as Citrulline Malate, Beta-Alanine, Taurine, En-Xtra®, and KSM-66® Ashwagandha rather than relying only on brand claims. Product details such as serving count, flavors, free-shipping terms, and pricing were cross-checked against the official Crazy Nutrition page.
FAQs
Q: Which package is right for me?
A: Those who train consistently and want to experience the full benefit of the ingredient profile tend to do best with the 40 or 60-serving packages, since the brand recommends 3 to 6 months of regular use for full results.
Q: What does it taste like?
A: The blue raspberry flavor is the most popular among reviewers, with fruit punch described as tolerable but less of a standout.
Q: Will this give me gas or stomach upset?
A: The formula is designed to avoid the stomach cramps and upset associated with lower-quality pre-workouts, though individual digestive responses can vary.
Q: Is INTENSIVE Pre-Train safe?
A: Yes, for most healthy adults when used as directed, though anyone with a heart condition, stimulant sensitivity, or who is pregnant or nursing should consult a healthcare provider first.
Q: How soon can I expect results?
A: Some effects, like energy and focus, are noticeable in the first session. Ingredients like beta-alanine and ashwagandha build up in effectiveness with consistent use over weeks to months.
Q: How do I use it?
A: Mix one scoop with water and consume 20 to 30 minutes before training.
Q: How much caffeine is in Crazy Nutrition INTENSIVE Pre-Train?
A: INTENSIVE Pre-Train contains caffeine as part of its energy formula, paired with En-Xtra to support a smoother energy curve. Check the current product label for the exact caffeine amount per serving before use.
Q: Is Crazy Nutrition INTENSIVE Pre-Train good for beginners?
A: It may suit beginners who are comfortable using a caffeinated pre-workout, but starting with the recommended serving is important. Anyone new to pre-workouts should also pay attention to caffeine sensitivity and the temporary tingling that beta-alanine can cause.
Q: Does Crazy Nutrition INTENSIVE Pre-Train really work?
A: The formula includes ingredients commonly used for workout energy, focus, endurance, and blood-flow support, including Citrulline Malate, Beta-Alanine, Taurine, En-Xtra, and Ashwagandha. Results still depend on training habits, diet, consistency, and individual response.
Conclusion
INTENSIVE Pre-Train isn’t trying to win you over with a chalky, over-caffeinated jolt, it’s built around a broader set of ingredients, several with real research behind their mechanisms, aimed at tackling both the mental and physical sides of pre-workout fatigue.
Formula 2.0’s bigger doses of citrulline malate, beta-alanine, B vitamins, and taurine suggest a brand that’s actually iterating based on feedback, rather than just resting on its original recipe.
It’s not perfect. Some users report clumping, flavor issues, shipping delays, or sensitivity reactions. And because it contains stimulant-style energy support, it may not suit everyone.
Still, for healthy, active adults after smoother energy, stronger focus, and more drive before training, Crazy Nutrition INTENSIVE Pre-Train is a solid pre workout powder worth considering.
Where To Find It?
You can BUY it directly from the Official Website
In our opinion, below you will find some of the most effective pre-workout supplements that are available today. These products have been classified according to five key factors: quality of active ingredients, muscle building ability, fat burning capacity, protein synthesis stimulation and energy boosting.
Verdict on Claimed Benefits: Below is our summary of the available evidence for the claimed benefits of below mentioned pre-workout powder and supplements based on the available research:









Callum Prescott