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Nutrastop

Nutrastop | HellFire | 90 Capsules

Thermo-Z® powered hardcore thermogenic support in a one-capsule format

$39.95 $59.95$0.44/serving
0

SuppVault Score

Excellent — top tier

Nutrastop | HellFire | 90 Capsules

Six dimensions, weighted by category. Each is scored 0–10 from the supplement-facts panel data and the 2,492-ingredient knowledge base.

  • Clinical Dosing 2/10
  • Label Transparency 3/10
  • Manufacturing 4/10
  • Testing 3/10
  • Inactive Ingredients 9/10
  • Value 5/10
See the full algorithm → Read methodology

Scores are deterministic — same label in, same score out. Proprietary blends naturally score lower on transparency by design, not as a penalty.

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150mg Caffeine Anhydrous
150mg Thermo-Z® Extract
98% Black Pepper Extract
✓ Label Verified✓ No Prop Blends✓ DSHEA Compliant
150mg caffeine anhydrous
150mg Thermo-Z® extract
Powerful thermogenic blend
1 capsule per serving
90 servings per bottle
98% piperine included
Thermo z™
"Hits fast with a strong surge in energy and sweat output, making cardio and training sessions feel more locked in. Best suited for experienced stimulant users who want aggressive intensity."
Verified buyer
💊 Gelatin Capsules
Featuring: Thermo-Z® by Hi-Tech Pharmaceuticals
⚠️ Contains proprietary blend (9 ingredients)
1. Senegalia Berlandieri Extract (Leaves)(Yielding Phenylethylamine Alkaloids Including: Methylsynephrine, N-Methyl-B-Phenylethylamine, & N-Phenethyldimethylamine)2. 2-Aminoisoheptane HCI3. Black Tea Extract (leaves)4. Higenamine HCI5. Rauwolfia Serpentine Extract (bark)6. Evodiamine7. Rutacarpine8. Peppermint Extract (leaves)9. Black Pepper Extract (98% Piperine)
SuppVault Summary

A hardcore thermogenic capsule built for experienced users in a serious cut. With 150mg caffeine and a powerful advanced stimulant matrix, HellFire is designed for aggressive energy, body-heat, and dieting-phase momentum.

Great Fit

  • Experienced stimulant users cutting hard
  • Fasted cardio athletes
  • Physique competitors in prep
  • Advanced gym-goers wanting capsule convenience
  • Dieters battling low-energy mornings
  • Users wanting stronger thermogenic intensity
  • Traveling athletes avoiding powder tubs

Not Ideal If

  • Beginners with no stimulant tolerance
  • Pregnant or nursing women
  • People with cardiovascular conditions
  • Anyone sensitive to aggressive stimulants
  • Late-night trainers needing sleep
⚠️ Allergen Information +
Contains:
Manufactured in a facility that also processes:
Composition Details
Delivery Tech: Hcl SaltHcl Salt

Brand-Published Lab Tests

Nutrastop publishes test results from independent third-party labs. Svpplements links to the manufacturer’s data — we don’t test products ourselves.

Lab data is published by the manufacturer. Svpplements neither verifies nor warrants third-party test results — we curate the link so you can check the source. How we evaluate testing →
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Have a question about this product?
When Pre workout
Time Avoid evening
⚠ ~150mg total caffeine per serving. contains ephedra extract. best taken before 2pm.
What You'll Feel
0-10 min
Little initial feel beyond anticipation
10-20 min
Alertness rises and body heat starts building
💪
20-40 min
Peak drive for cardio or training
🎯
40-90 min
Sustained hard-edged thermogenic energy
Days 1-7
Tolerance and best timing become clearer
Weeks 2-4
Better adherence across the cutting phase

Deep Dive

Energy 3
??
Caffeine Anhydrous
150mg
??
2-Aminoisoheptane HCl
undisclosed
??
Higenamine HCl
undisclosed
Fat burn 5
??
Ephedra Extract (leaves) as Thermo-Z®
150mg
??
Black Tea Extract
undisclosed
??
Rauwolfia Serpentina Extract
undisclosed
??
Evodiamine
undisclosed
??
Rutacarpine
undisclosed
Focus 1
??
Senegalia Berlandieri Extract
undisclosed
Digestive 1
??
Peppermint Extract
undisclosed
Absorption 1
??
Black Pepper Extract (98% Piperine)
undisclosed
ENE: 3FAT: 5FOC: 1DIG: 1ABS: 1
2-Aminoisoheptane HCl
Under-Researched
Clinical range: 100-200mg
limited
Clinical range: 10-20mg
strong
Clinical range: 500-1000mg
moderate
Caffeine Anhydrous
Below Clinical
150mg
Clinical range: 200-400mg
strong
Ephedra Extract
↑ Above Clinical
150mg
Clinical range: 20-50mg (Ephedrine) / 25-150mg (Modern Extract)
strong
Clinical range: 110mg
limited
Higenamine HCl
Under-Researched
Clinical range: 50mg
limited
Peppermint Extract
Under-Researched
Clinical range: 450-750mg
strong
Rauwolfia Serpentine Extract
Under-Researched
Clinical range: insufficient data
limited
Rutacarpine
Under-Researched
Clinical range: 120mg (based on commercial supplement formulations)
emerging
Clinical range: 200-250mg
limited

Caffeine Anhydrous

150mg Dose
Daily Value
Disclosed Transparency
View full research →

Ephedra Extract (leaves)

Form: as Thermo Z® Brand
150mg Dose
Daily Value
Disclosed Transparency
View full research →

Senegalia Berlandieri Extract (Leaves)(Yielding Phenylethylamine Alkaloids Including Methylsynephrine, N-Methyl-B-Phenylethylamine, & N-Phenethyldimethylamine)

Dose
Daily Value
In Blend Transparency
View full research →

2-Aminoisoheptane HCI

Dose
Daily Value
In Blend Transparency
View full research →

Black Tea Extract (leaves)

Dose
Daily Value
In Blend Transparency
View full research →

Higenamine HCI

Dose
Daily Value
In Blend Transparency
View full research →

Rauwolfia Serpentine Extract (bark)

Dose
Daily Value
In Blend Transparency
View full research →

Evodiamine

Dose
Daily Value
In Blend Transparency
View full research →

Rutacarpine

Dose
Daily Value
In Blend Transparency
View full research →

Peppermint Extract (leaves)

Dose
Daily Value
In Blend Transparency
View full research →

Black Pepper Extract (98% Piperine)

Dose
Daily Value
In Blend Transparency
View full research →
BASE Nutrastop | HellFire | 90 Capsules
$39.95
Sportlife Essentials Creatine Monohydrate 60 Servings 500gCREATINE95

HellFire drives acute training energy and thermogenesis, while creatine supports phosphocreatine regeneration, strength output, and lean-mass retention during a calorie deficit. This is the cleanest way to add performance support without piling on more stimulants.

Take creatine daily any time; take HellFire 20-30 minutes pre-training or cardio.

Alani Nu Pump Stim-Free Pre WorkoutSTIM-FREE PUMP89

HellFire already handles the stimulant side aggressively, so a stim-free pump formula is the smart partner if you still want better blood flow and training performance. This lets you build a full pre-workout experience without overshooting stimulant tolerance.

Take the pump formula pre-workout alongside HellFire if desired.

Bucked Up HydrationHYDRATION84

Hard thermogenic formulas can make sweaty training sessions feel even more draining. Adding an electrolyte product helps maintain fluid balance and training quality when body heat and exertion are both elevated.

Use during training or cardio; take HellFire before the session.

Revive | Mag Glycinate | 120 Capsules
$19.95$0.33/srv 60 servings

High-stim cutting phases often create tension between daytime performance and nighttime recovery. A calming mineral support product makes sense on the back end of the day when stimulant-heavy tools are used earlier.

Take magnesium in the evening, well separated from HellFire.

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Per Day
Includes base product + selected items
Nutrastop | HellFire | 90 Capsules90
$39.95
This Product
$/srv: $0.78
Tie

Both sit in the hardcore thermogenic lane; choice comes down to whether you prefer HellFire’s specific blend profile or Lipodrene’s reputation.

$/srv: $0.67
This Product Wins

HellFire has the more aggressive old-school stimulant identity thanks to Thermo-Z® and its broader hardcore blend.

$/srv: $1.67
Them

Alpha Lion wins on transparency and modern formula quality if you want fat-loss support without stimulant overload.

$/srv: $1.00
This Product Wins

HellFire is the stronger choice for experienced users chasing an unmistakably hard thermogenic experience.

Clinical Dosing

Caffeine Anhydrous
Under-researched No clinical-dose range yet — manufacturer dose only.
150mg
Thermo-Z® Extract
Under-researched No clinical-dose range yet — manufacturer dose only.
150mg
Black Pepper Extract
Under-researched No clinical-dose range yet — manufacturer dose only.
98%
Comparison

How this stacks up

Side-by-side against the closest competitors. Score reflects clinical dosing, transparency, and testing.

Even match
Hi-Tech Lipodrene 90ct
SuppVault Score
66/100
Per serving
$$0.78

Both sit in the hardcore thermogenic lane; choice comes down to whether you prefer HellFire’s specific blend profile or Lipodrene’s reputation.

Compare side-by-side →

Comparison data combines live storefront pricing with our SuppVault analysis. Competitor scores reflect public-label data; manufacturer-side changes may not be reflected in real time.

Full Product Description Article

Nutrastop Innovative HellFire is a classic hardcore thermogenic capsule: fast stimulant onset, aggressive appetite-and-energy positioning, and a formula architecture built around stacked sympathomimetic compounds rather than a modern fully transparent evidence-led fat-loss profile. In practical terms, this is the kind of product people buy when they want to feel their fat burner working the same day they start it. The strategy is straightforward: combine a known dose of caffeine anhydrous with 150mg of Thermo-Z® ephedra extract, then layer multiple additional stimulant, thermogenic, and absorption-oriented compounds inside a 235mg proprietary blend to intensify the experience.

The two fully disclosed anchors matter most. Caffeine anhydrous at 150mg is a meaningful but not extreme standalone dose; what makes it potent here is the company it keeps. Caffeine works primarily through adenosine receptor antagonism, which reduces perceived fatigue, increases alertness, and can acutely raise energy expenditure and exercise output. On its own, 150mg is moderate. In this formula, it is clearly intended as the platform for a much harder stimulant stack.

Ephedra extract at 150mg, supplied as Thermo-Z®, is the other defining feature. Thermo-Z® is a trademarked ephedra extract associated with Hi-Tech Pharmaceuticals, and its inclusion tells you exactly what category this product belongs to: old-school, high-intensity thermogenic support. Customers typically notice this as stronger drive, increased body heat, and a more pronounced “locked in” sensation than caffeine alone provides.

Beyond that, the formula becomes much less transparent. Senegalia berlandieri extract is listed first in the proprietary blend and is noted to yield phenylethylamine alkaloids including methylsynephrine, N-methyl-B-phenylethylamine, and N-phenethyldimethylamine. That placement suggests it is one of the dominant hidden contributors to the formula’s subjective intensity. 2-aminoisoheptane HCl is another major clue to the intended experience: this is there for additional stimulant drive, urgency, and appetite suppression-style feel, but the exact dose is undisclosed. Black tea extract likely contributes additional xanthines and mild thermogenic support. Higenamine HCl and Rauwolfia serpentina extract further reinforce the adrenergic, high-output profile.

Evodiamine and rutacarpine are more interesting from a formulation-analysis standpoint. Evodiamine, derived from Evodia rutaecarpa, is a thermogenic alkaloid often compared mechanistically to capsaicin-like compounds. Preclinical data suggest it increases AMPK phosphorylation and down-regulates mTOR signaling in white adipose tissue, helping shift energy metabolism in a leaner direction. The problem is dose transparency: the research context often points to roughly 110mg in commercial positioning, and HellFire does not disclose how much is actually present, making any clinical comparison impossible. Rutacarpine is another Evodia-derived alkaloid with emerging data showing TRPV1 activity, CGRP-mediated vasodilatory effects, and AMPK-related metabolic actions. Again, the issue is not conceptual fit but hidden dosing. Commercial use often centers around roughly 120mg, and this formula does not tell you whether you are getting anything close to that.

Peppermint extract and 98% piperine black pepper extract round out the blend. Peppermint likely improves tolerability and perceived gastric comfort in a formula that could otherwise feel harsh. Piperine is the classic bioavailability add-on, used to enhance absorption and prolong impact of co-ingested compounds.

The synergy is obvious: caffeine plus Thermo-Z® establishes the main thermogenic spine, while the hidden alkaloid complex is designed to intensify central stimulation, appetite control, and metabolic urgency. Evodiamine and rutacarpine attempt to add a secondary thermogenic layer through non-caffeine mechanisms, and piperine tries to improve the whole system’s punch. Where HellFire loses scientific credibility is transparency. This is not a full-disclosure formula. The proprietary blend prevents proper dose-by-dose validation, and with nine ingredients hidden inside 235mg, it is mathematically unlikely that every secondary ingredient is present at amounts consistent with the commercial or research ranges often associated with them.

What should you expect? Day 1 is about feel: faster energy, elevated body heat, stronger training aggression, and possibly pronounced appetite suppression. Weeks 2-4 are less about ingredient loading and more about behavioral leverage: if the stimulant effect helps you train harder, stay more active, and adhere to a calorie deficit, that is where the real fat-loss value comes from. This is a sensation-first thermogenic, not a clinically transparent body-composition formula.

Science & Clinical References 0 citations
Caffeine and Acute Thermogenic Output0 studies

Caffeine exerts its primary acute effects through adenosine receptor antagonism, which reduces perceived fatigue and increases neural firing, catecholamine activity, and willingness to perform work. In dieting phases, that matters because decreased caloric intake often lowers spontaneous activity and training intensity. By restoring arousal and reducing perceived effort, caffeine can improve the behaviors that actually drive fat-loss progress. In HellFire, the disclosed 150mg caffeine serves as the central scaffold for a larger stimulant system rather than as a standalone ergogenic dose.

Evodiamine, AMPK Signaling, and Thermogenic Theory0 studies

Evodiamine is a bioactive alkaloid from Evodia rutaecarpa with preclinical evidence suggesting capsaicin-like thermogenic effects. Mechanistically, it has been shown in animal and cellular models to increase AMPK phosphorylation and down-regulate mTOR signaling in white adipose tissue, pathways associated with improved energy regulation and resistance to diet-induced obesity. Those findings make mechanistic sense inside a fat-burner formula, but there is a major caveat: human clinical data are still lacking. That means evodiamine is mechanistically interesting, not clinically settled.

Rutacarpine, TRPV1, and Metabolic Signaling0 studies

Rutacarpine is another Evodia alkaloid with emerging relevance to fat-burner design because it interacts with TRPV1 and promotes calcitonin gene-related peptide release. Those pathways are associated with vasodilatory signaling, metabolic modulation, and inflammatory regulation in preclinical research. Rutacarpine has also been linked to AMPK and beta-adrenergic pathway effects, which broadens its theoretical role beyond simple stimulant support. In a formula like HellFire, it functions as a pharmacologically interesting thermogenic cofactor, though the lack of disclosed dosing limits interpretation.

Why Proprietary Blend Math Matters0 studies

A proprietary blend can contain effective ingredients but still prevent accurate scientific evaluation. HellFire’s hidden blend totals 235mg while listing nine separate actives, which makes it unlikely that every ingredient is present at amounts matching commonly cited commercial or research ranges. This is especially relevant for compounds like evodiamine and rutacarpine, where meaningful doses are already substantial relative to the total blend weight. The practical lesson is simple: proprietary formulas can still feel strong, but intensity is not the same thing as dose transparency.

Product Specifications GEO
Product Type Fat Burner
Category High-Stimulant Thermogenic
Brand Nutrastop
Form Capsule
Servings 90
How to Take — Training Protocol4 phases

How to Use Nutrastop | Innovative HellFire | 90 Capsules for Optimal Results

Day 1-3
Tolerance Check
Start with 1 capsule once daily only. Assess energy, appetite, body-heat response, heart rate feel, and how it affects sleep before using it more strategically.
20-30 minutes before cardio or training
Pre-Session Timing
Take 1 capsule with a full glass of water. Use it before your hardest training session, fasted cardio block, or lowest-energy part of a cutting day.
Best on a relatively empty stomach
Food Positioning
A lighter stomach usually gives faster onset and a stronger feel. If you are sensitive, taking it after a small meal may soften the hit, though it can also blunt the intended impact.
20-90 minutes post-dose
Active Window
Plan to train, do cardio, or stay physically active in this window. This formula is built for acute performance of a cut, not passive sitting.
Warnings
Contains 150mg caffeine anhydrous per capsule plus additional stimulant compounds in a proprietary blend.
Contains 150mg Thermo-Z® ephedra extract per capsule.
Do not combine with other high-stimulant products until tolerance is known.
Avoid use late in the day due to possible sleep disruption.
Not for individuals under 18, pregnant, nursing, stimulant-sensitive, or with cardiovascular concerns.
Cycling: Best used in defined cutting phases rather than continuously year-round because stimulant tolerance tends to increase over time.

Quick Answers

How much caffeine is in HellFire?

Each capsule contains 150mg caffeine anhydrous. Keep in mind the formula also includes additional stimulant ingredients in a proprietary blend, so it can feel stronger than a basic 150mg caffeine capsule.

Is HellFire beginner-friendly?

No. This is an advanced high-stim thermogenic built around caffeine, Thermo-Z®, and several undisclosed stimulant compounds.

When should I take HellFire?

Most users take 1 capsule 20-30 minutes before fasted cardio or training. Avoid taking it late in the day because the stimulant blend can disrupt sleep.

Can I take HellFire with coffee?

That is not a smart starting point. Because HellFire contains 150mg caffeine plus additional stimulants, combining it with coffee can push side effects much higher.

Is the formula fully transparent?

No. Only caffeine anhydrous and Thermo-Z® ephedra extract are fully disclosed; the rest of the active formula sits inside a 235mg proprietary blend.

What does Thermo-Z® mean on this label?

Thermo-Z® is the trademarked ephedra extract used in this formula. Its inclusion is a major reason HellFire is positioned as a hardcore thermogenic rather than a mild daily fat burner.

Will HellFire help with appetite during a cut?

Many users buy formulas like this for that reason. The stimulant-heavy profile often creates a sharper, less hungry feel, especially when calories are low, though individual response varies.

What are evodiamine and rutacarpine doing in this product?

They are Evodia-derived alkaloids included for additional thermogenic and metabolic support. The challenge is that their doses are not disclosed, so you cannot verify them against commonly referenced commercial ranges.

Should I cycle HellFire?

Yes, that is the practical approach for most users. High-stim thermogenics are usually best reserved for defined cutting phases because tolerance tends to rise with continuous use.

Can I stack HellFire with a pre-workout?

Only if the pre-workout is low-stim or stim-free. Stacking HellFire with another aggressive stimulant formula is the fastest way to turn useful intensity into side effects.

What is black pepper extract doing here?

The label lists black pepper extract standardized to 98% piperine. Piperine is commonly used to enhance absorption and make a complex capsule formula hit more effectively.

Is HellFire mainly for training or general weight loss?

It can be used either way, but it fits best around cardio and training because the stimulant surge is most useful when it is tied to activity. It is not a passive lifestyle formula; it works best when paired with a structured cut.

What should I stack with HellFire for better results?

Daily creatine is the cleanest addition because it supports training performance without adding more stimulation. A stim-free pump or hydration product also pairs well if you want better workouts without compounding the stimulant load.
90

SuppVault Score

Nutrastop | HellFire | 90 Capsules

💊 Clinical Dosing 2/10

2/11 key ingredients with disclosed doses

🏷 Label Transparency 3/10

Proprietary blend (9/11 ingredients with hidden doses)

🏭 Manufacturing 4/10

No manufacturing certifications found

🔬 Testing 3/10

No third-party certification found

🧪 Inactive Ingredients 9/10

Minimal inactive ingredients

💰 Value 5/10

Insufficient price/serving data

Scores are relative to category averages. Proprietary blends score lower on transparency naturally — this is neutral fact, not penalty.

Athlete status

Verified athletes can view NCAA, WADA, and high-school compliance status for this product.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before use if you have a medical condition or take medications.

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Nutrastop | HellFire | 90 Capsules $39.95
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