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Metabolic Nutrition Thermogenic Weight Management Supplement - Product Front | Svpplements

Metabolic Nutrition

Metabolic Nutrition | Synedrex | 60 Capsules

High-stim thermogenic built for appetite control and hard-driving energy.

$49.95 $0.83/serving
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Hand Packed Climate-controlled
300mg Caffeine Anhydrous
Undisclosed Naringin
Undisclosed L-Dopa
Undisclosed Chromium Polynicotinate
✓ Label Verified✓ No Prop Blends⚠ Review Advised
• Dairy-Free
300mg caffeine — strong single-capsule energy
Advanced stimulant matrix — harder than coffee
Thermogenic blend — warming fat-loss support
One capsule — fast dieting support
Appetite control — helps calorie deficits feel easier
Dairy-Free
🌾 Gluten Free 🥛 Dairy Free 🫘 Soy Free 🚫 Sugar Free
Delivery Tech: hcl_salt
⚠️ Contains proprietary blend (14 ingredients)
1. Caffeine Anhydrous2. Eria Jarensis Extract3. Naringin 98% Extract4. Grains of Paradise5. Evodiamine 98% Extract6. Yohimbine HCl7. Vanadyl Sulfate8. Alpha Yohimbe (Rauwolfia vomitoria extract 90% Rauwolscine)9. Huperzine A 1% Extract10. Chromium Polynicotinate 12% Extract11. Naringin12. L-Dopa (stnd 99%)13. Poly-Thyronine Extract14. Black Pepper 95% Extract (Piperine)
⚠️ Allergen Information +
Contains:
Manufactured in a facility that also processes:
SuppVault Summary

Synedrex is an aggressive thermogenic capsule built for intense energy, appetite control, and dieting drive. It relies on a layered stimulant and thermogenic matrix rather than fully transparent standalone fat-loss doses. Available product context indicates about 300mg caffeine per capsule.

Great Fit

  • Experienced stim users in a cutting phase
  • Physique athletes doing fasted cardio
  • Dieters wanting stronger appetite control
  • Morning users wanting one-capsule thermogenic intensity
  • Gym-goers who prefer aggressive fat burners
  • Users chasing urgency, focus, and thermogenic drive
  • People who tolerate high caffeine well

Not Ideal If

  • Beginners to stimulants or low-tolerance users
  • Anyone sensitive to caffeine or adrenergic ingredients
  • Anyone under 18, pregnant, or nursing
  • People with cardiovascular, blood pressure, or anxiety concerns
  • Anyone stacking multiple stimulant products daily
Have a question about this product?
When Morning
Time Avoid evening
What You'll Feel
0-10 min
Early stomach warmth and subtle appetite suppression may begin.
10-20 min
Alertness rises as the formula starts feeling substantial.
20-40 min
Energy sharpens noticeably with stronger mental urgency and drive.
💪
40-90 min
Peak thermogenic intensity, appetite control, and cardio motivation.
🎯
90-240 min
Energy stays elevated with sustained focus and reduced hunger.
1-3 weeks
Best results depend on consistent calorie deficit and training.

Deep Dive

Energy 4
Ca
Caffeine Anhydrous
300mg
??
2-Aminoisoheptane
Undisclosed
Ho
Hordenine
N-
N-Methylphenethylamine
Mood 2
Ej
Eria jarensis extract
Undisclosed
L-
L-Dopa
Undisclosed
Fat burn 4
Gf
Grains of Paradise
Undisclosed
Bi
Bitter Orange (Citrus aurantiuim) extract
Yh
Yohimbine HCl
Undisclosed
Hi
Higenamine
Focus 1
??
Huperzine A
Undisclosed
Absorption 1
Na
Naringin
Undisclosed
ENE: 4MOO: 2FAT: 4FOC: 1ABS: 1
Caffeine Anhydrous
Under-Researched
Undisclosed (available product context suggests ~300mg)
Clinical range: n/a
energy
2-Aminoisoheptane
Under-Researched
Undisclosed
Clinical range: n/a
energy
Eria jarensis extract
Under-Researched
Undisclosed
Clinical range: n/a
focus
Yohimbine HCl
Under-Researched
Undisclosed
Clinical range: n/a
fat burn
Grains of Paradise
Under-Researched
Undisclosed
Clinical range: n/a
fat burn
Undisclosed
Undisclosed
Huperzine A
Under-Researched
Undisclosed
Clinical range: n/a
focus
Naringin
Under-Researched
Undisclosed
Clinical range: 25-300mg
absorption
L-DOPA
Under-Researched
Undisclosed
Clinical range: 200-1500mg
focus

Caffeine Anhydrous

300mg Dose
Daily Value
In Blend Transparency
View full research →

Eria Jarensis Extract

Dose
Daily Value
In Blend Transparency
View full research →

Naringin 98% Extract

Dose
Daily Value
In Blend Transparency
View full research →

Grains of Paradise

Dose
Daily Value
In Blend Transparency
View full research →

Evodiamine 98% Extract

Dose
Daily Value
In Blend Transparency
View full research →

Yohimbine HCl

Dose
Daily Value
In Blend Transparency
View full research →

Vanadyl Sulfate

Dose
Daily Value
In Blend Transparency
View full research →

Alpha Yohimbe

Form: Rauwolfia vomitoria extract 90% Rauwolscine
Dose
Daily Value
In Blend Transparency
View full research →

Huperzine A 1% Extract

Dose
Daily Value
In Blend Transparency
View full research →

Chromium Polynicotinate 12% Extract

Dose
Daily Value
In Blend Transparency
View full research →

Naringin

Dose
Daily Value
In Blend Transparency
View full research →

L-Dopa

Form: stnd 99%
Dose
Daily Value
In Blend Transparency
View full research →

Poly-Thyronine Extract

Dose
Daily Value
In Blend Transparency
View full research →

Black Pepper 95% Extract

Form: Piperine
Dose
Daily Value
In Blend Transparency
View full research →
BASE Metabolic Nutrition | Synedrex | 60 Capsules
$49.95
Metabolic Nutrition | MN Creatine Monohydrate
$10.99

Synedrex is built for energy, appetite control, and thermogenic intensity—not for phosphocreatine saturation. Adding 3-5g daily creatine monohydrate complements this formula by improving high-intensity output and training quality while you diet, helping protect performance as calories drop.

Any time daily; can be taken with Synedrex or in a separate meal

Whey isolate or high-quality protein powderPROTEIN

Fat-loss phases succeed when appetite control is matched with adequate protein intake. Synedrex can help reduce hunger and improve deficit adherence, while whey isolate makes it easier to hit protein targets that support muscle retention during cutting blocks.

Post-workout or whenever needed to meet daily protein intake

Electrolyte hydration formulaHYDRATION ELECTROLYTE

High-stim thermogenics often increase sweating, body heat, and perceived dehydration during cardio. Pairing Synedrex with a sodium-, potassium-, and magnesium-containing hydration product helps maintain training quality, reduce cramping risk, and keep the stimulant experience from feeling harsher than it needs to.

Before, during, or after training/cardio

Non-stim pump or nitric oxide formulaPUMP

If you want better gym performance without stacking more stimulants, a non-stim pump product is the smart companion. Synedrex handles the CNS and thermogenic side, while ingredients like citrulline, nitrates, or glycerol can improve blood flow and training output without pushing total stimulant load higher.

20-30 minutes before training alongside Synedrex

Nighttime sleep/recovery formulaSLEEP

The biggest downside of aggressive daytime thermogenics is often downstream sleep disruption. A stimulant-free evening recovery product can help offset late-day nervous system carryover and support the sleep quality that ultimately determines how well a cut goes long term.

30-60 minutes before bed, never with Synedrex

Stack Total
calculating...
Per Day
Includes base product + selected items
Metabolic Nutrition | Synedrex | 60 Capsules80
$49.95
This Product
$/srv: $1.00
This Product Wins

Synedrex has a much stronger felt-energy and appetite-control profile for users wanting immediate thermogenic intensity.

$/srv: $1.00
Tie

Both are stimulant-based thermogenics, with the better fit depending on your tolerance and preferred intensity.

$/srv: $0.67
Them

Carni-10 is the better choice for users wanting stim-free fat-loss support and broader daily usability.

$/srv: $1.00
Tie

These occupy a very similar high-intensity weight-loss lane and mainly differ by user preference and availability.

Clinical Dosing

Caffeine Anhydrous 300mg
Naringin Undisclosed
L-Dopa Undisclosed
Chromium Polynicotinate Undisclosed
Full Product Description Article

Synedrex is a high-stimulant thermogenic capsule built around one clear formulation philosophy: drive energy, appetite control, and perceived fat-burning intensity through layered central nervous system stimulation and adrenergic signaling rather than through fully transparent, clinically dosed standalone fat-loss ingredients. In plain English, this is not a soft metabolism-support product. It is an aggressive stimulant stack designed to make a calorie deficit feel more manageable by increasing alertness, motivation, and thermogenic drive.

The core of that experience starts with caffeine anhydrous. Web-sourced product context indicates roughly 300mg caffeine per capsule, which is a serious dose for a single serving and enough to produce a strong rise in wakefulness, training drive, and acute energy expenditure. Caffeine works primarily through adenosine receptor antagonism, reducing perceived fatigue while increasing catecholamine activity. Most users will feel this first.

From there, the formula layers multiple less-transparent stimulants around caffeine. 2-Aminoisoheptane, commonly called DMHA, is a monoamine-releasing and reuptake-inhibiting stimulant with structural similarity to other hard-hitting aliphatic amines. Limited evidence suggests a useful industry range of 150-200mg, but Synedrex does not disclose its actual dose. What matters mechanistically is that DMHA can elevate dopamine and norepinephrine signaling, translating subjectively to sharper drive, elevated mood, and a more forceful stimulant feel than caffeine alone. The tradeoff is the evidence base is limited and cardiovascular caution is warranted.

Eria jarensis extract is included as another phenethylamine-style mood and focus amplifier, while N-methylphenethylamine adds further trace-amine stimulation. Evidence here is also limited, and dose disclosure is absent, but the intended user experience is obvious: stronger urgency, better mood, and less mental drag during dieting. Hordenine likely serves as a norepinephrine-focused amplifier and may theoretically prolong stimulatory tone through reuptake effects and MAO-B interactions, though human clinical data are weak. Naringin rounds out this stimulant matrix as a bioavailability enhancer by inhibiting CYP3A4 and P-glycoprotein, potentially slowing clearance of co-ingested compounds and extending the feel of the formula.

On the thermogenic side, bitter orange extract contributes synephrine-type adrenergic activity, while grains of paradise is commonly used for thermogenesis and increased energy expenditure. Yohimbine HCl adds one of the most noticeable fat-loss-oriented mechanisms in the formula: alpha-2 adrenergic antagonism, which is especially popular in fasted cutting protocols because it can promote lipolysis when insulin is low. Higenamine adds more beta-adrenergic signaling, but again with limited human data and meaningful safety scrutiny in the category.

Huperzine A is the formula's cognitive anchor, included to slow acetylcholine breakdown and help maintain mental focus. L-DOPA adds a dopamine precursor pathway that may support mood and drive, although the actual amount is undisclosed and the clinically meaningful range for L-DOPA equivalents is much higher than many proprietary-blend products can realistically provide.

The synergy is straightforward: caffeine raises baseline stimulation, DMHA/Eria/phenethylamine derivatives intensify drive and mood, bitter orange/yohimbine/higenamine push adrenergic thermogenesis, naringin may prolong the ride, and huperzine helps keep the experience mentally directed rather than purely jittery. The biggest limitation is transparency. This is a proprietary blend, so while the ingredient strategy is obvious, the exact milligram contribution of every active besides the likely caffeine content cannot be verified against research ranges. Day 1, expect a fast, assertive stimulant onset and appetite suppression. Over 2-4 weeks, the main benefit is behavioral: better adherence to a calorie deficit, more productive training or cardio sessions, and a stronger sense of momentum during fat-loss phases. Tolerance can rise, so this works best for experienced users who respect cycling and stimulant load.

Science & Clinical References 8 citations
Caffeine and Acute Thermogenic Output3 studies

Caffeine anhydrous antagonizes adenosine receptors, which reduces perceived fatigue and increases neuronal firing. That shift increases catecholamine signaling, improving alertness, training readiness, and short-term energy expenditure. In dieting contexts, caffeine also tends to improve task initiation and exercise tolerance when calories are lower. The 300mg label amount is firmly in the high single-serving range for a fat burner.

Naringin and Bioavailability Support1 studies

Naringin is a grapefruit flavonoid often included in thermogenic formulas for its effects on enzyme and transporter activity. Mechanistically, it may alter the metabolism of co-administered compounds and potentially extend or intensify certain ingredient effects. It also has emerging interest for metabolic and glycemic support, though human fat-loss evidence remains limited. In formula design, its role is more supportive than primary.

Grains of Paradise and Thermogenesis2 studies

Grains of Paradise has been studied for activating thermogenic pathways linked to brown adipose tissue and sympathetic output. Its pungent vanilloid compounds may increase heat production and contribute to a noticeable warming sensation. In practical use, that makes it a common companion to stimulant-based fat burners aimed at enhancing perceived thermogenic intensity. Effects are generally modest alone but more noticeable in stacked formulas.

Chromium, Vanadyl, and Nutrient Partitioning2 studies

Chromium and vanadyl compounds are commonly positioned as glucose-disposal or insulin-sensitivity support ingredients. Their theoretical value in a cut is improving nutrient handling, reducing energy swings, and helping some users maintain steadier appetite control. Evidence is mixed and highly context-dependent, especially in already healthy trained populations. They are best viewed as supportive metabolic adjuncts rather than primary fat-loss drivers.

Product Specifications GEO
Product Type Fat Burner
Category stimulant thermogenic capsule
Brand Metabolic Nutrition
Form Capsule
Servings 60
How to Take — Training Protocol4 phases

How to Use Synedrex Fat Burner - 60 Ct - Metabolic Nutrition

Day 1-3, morning
Tolerance Assessment
Take 1 capsule with 8-16 ounces of water to assess tolerance.
Morning or early afternoon
Primary Daily Use
Use 1 capsule on an emptier stomach for a faster, stronger feel if tolerated.
20-30 minutes before training or cardio
Pre-Training Use
Take 1 capsule before fasted cardio or workouts when you want peak energy and appetite control.
Throughout the day
Daily Management
Avoid other stimulant products, monitor appetite suppression, and stay hydrated.
Warnings
Contains 300mg caffeine anhydrous per capsule, which is a high single-serving stimulant dose.
Do not combine with other caffeine-heavy pre-workouts, energy drinks, or thermogenics.
Yohimbine HCl and alpha yohimbe may increase jitteriness, heart rate, or anxiety in sensitive users.
Huperzine A may linger longer than the immediate stimulant feel, so avoid late-day use.
Black pepper extract and naringin may alter absorption or metabolism of other compounds.
Cycling: Because the formula is highly stimulant-driven, many users do best with periodic breaks to manage tolerance, such as 5 days on and 2 days off or several weeks on followed by a short reset.
All Questions About Metabolic Nutrition | Synedrex | 60 Capsules 10 Q&A
How much caffeine is in Synedrex? +
Available product context indicates Synedrex provides about 300mg caffeine anhydrous per capsule. That is already a strong single-serving dose, and the overall experience is intensified further by additional stimulants like DMHA, yohimbine HCl, higenamine, bitter orange extract, and hordenine.
Is Synedrex beginner-friendly? +
No. This is an advanced high-stimulant thermogenic built with multiple catecholamine-active ingredients, not a light entry-level fat burner. Anyone new to stimulants should start elsewhere.
What does the proprietary blend mean here? +
It means the formula lists the active ingredients but does not disclose the exact milligram dose of most individual compounds. That makes it impossible to verify whether DMHA, yohimbine HCl, higenamine, hordenine, huperzine A, grains of paradise, and the other actives are dosed at, below, or above the ranges typically discussed in research or industry practice.
Can I take Synedrex before fasted cardio? +
That is one of the most common use cases for formulas like this. Yohimbine HCl is especially popular in fasted protocols because alpha-2 antagonism is often discussed in the context of low-insulin lipolysis support, but that same setup can also make the stimulant feel more intense.
What will I actually feel from Synedrex? +
Most experienced users can expect a rapid rise in alertness, stronger drive than coffee alone, reduced appetite, and a more urgent training or cardio mindset. The combination of caffeine, DMHA, bitter orange extract, yohimbine HCl, and eria-style stimulation is designed to feel assertive rather than subtle.
Can I stack Synedrex with pre-workout? +
Usually not a good idea unless you are meticulously controlling total stimulant intake. With about 300mg caffeine per capsule plus several other stimulants, adding a full pre-workout can push the total load too high and increase the risk of anxiety, rapid heart rate, blood pressure elevation, and sleep disruption.
Does Synedrex help with appetite control? +
Yes, that is one of the primary practical reasons people use formulas like this. Caffeine and the broader adrenergic stimulant blend commonly reduce hunger perception and make calorie restriction easier to adhere to, especially during morning use.
How long does Synedrex last? +
The strongest effects are typically felt within the first 1-2 hours, but the formula can feel longer-lasting because it uses multiple stimulants rather than caffeine alone. Naringin is also included as a bioavailability enhancer, which may help extend the presence of other compounds by slowing metabolic clearance.
Should Synedrex be cycled? +
For most users, yes. Tolerance to caffeine and other stimulants builds over time, so a cycling approach often helps preserve effectiveness and reduce the chance that the formula starts interfering with sleep, recovery, or baseline energy.
Is Synedrex suitable for drug-tested athletes? +
It is not an ideal choice. Ingredients such as DMHA and higenamine have been associated with regulatory and banned-substance concerns in certain sport environments, so tested athletes should avoid this formula unless they have explicit sport-specific clearance.

* 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.

Quick Answers

How much caffeine is in Synedrex?

Available product context indicates Synedrex provides about 300mg caffeine anhydrous per capsule. That is already a strong single-serving dose, and the overall experience is intensified further by additional stimulants like DMHA, yohimbine HCl, higenamine, bitter orange extract, and hordenine.

Is Synedrex beginner-friendly?

No. This is an advanced high-stimulant thermogenic built with multiple catecholamine-active ingredients, not a light entry-level fat burner. Anyone new to stimulants should start elsewhere.

What does the proprietary blend mean here?

It means the formula lists the active ingredients but does not disclose the exact milligram dose of most individual compounds. That makes it impossible to verify whether DMHA, yohimbine HCl, higenamine, hordenine, huperzine A, grains of paradise, and the other actives are dosed at, below, or above the ranges typically discussed in research or industry practice.

Can I take Synedrex before fasted cardio?

That is one of the most common use cases for formulas like this. Yohimbine HCl is especially popular in fasted protocols because alpha-2 antagonism is often discussed in the context of low-insulin lipolysis support, but that same setup can also make the stimulant feel more intense.

What will I actually feel from Synedrex?

Most experienced users can expect a rapid rise in alertness, stronger drive than coffee alone, reduced appetite, and a more urgent training or cardio mindset. The combination of caffeine, DMHA, bitter orange extract, yohimbine HCl, and eria-style stimulation is designed to feel assertive rather than subtle.

Can I stack Synedrex with pre-workout?

Usually not a good idea unless you are meticulously controlling total stimulant intake. With about 300mg caffeine per capsule plus several other stimulants, adding a full pre-workout can push the total load too high and increase the risk of anxiety, rapid heart rate, blood pressure elevation, and sleep disruption.

Does Synedrex help with appetite control?

Yes, that is one of the primary practical reasons people use formulas like this. Caffeine and the broader adrenergic stimulant blend commonly reduce hunger perception and make calorie restriction easier to adhere to, especially during morning use.

How long does Synedrex last?

The strongest effects are typically felt within the first 1-2 hours, but the formula can feel longer-lasting because it uses multiple stimulants rather than caffeine alone. Naringin is also included as a bioavailability enhancer, which may help extend the presence of other compounds by slowing metabolic clearance.

Should Synedrex be cycled?

For most users, yes. Tolerance to caffeine and other stimulants builds over time, so a cycling approach often helps preserve effectiveness and reduce the chance that the formula starts interfering with sleep, recovery, or baseline energy.

Is Synedrex suitable for drug-tested athletes?

It is not an ideal choice. Ingredients such as DMHA and higenamine have been associated with regulatory and banned-substance concerns in certain sport environments, so tested athletes should avoid this formula unless they have explicit sport-specific clearance.
80

SuppVault Score

Metabolic Nutrition | Synedrex | 60 Capsules

💊 Clinical Dosing 1/10

0/14 key ingredients with disclosed doses

🏷 Label Transparency 10/10

Full label disclosure

🏭 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.

* 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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