Hi-Tech Pharmaceuticals - CarniFuel - 120 Tablets

Hi-Tech Pharmaceuticals Carnifuel is a five-form carnitine complex — the most comprehensive carnitine supplement in the Hi-Tech lineup — delivering five distinct carnitine series compounds at 200mg each per serving, plus 100mg of EGCG (Epigallocatechin Gallate) from green tea and a B-vitamin base of Niacin 50mg and Vitamin B6 10mg. Total of 1,100mg of active ingredients per 2-tablet serving, 580mg per individual tablet. The core insight behind Carnifuel is that different carnitine forms benefit different physiological systems and deliver carnitine to different tissues with different mechanisms — no single form covers all of them. Carnifuel's five-compound approach maximizes carnitine delivery to skeletal muscle, cardiac muscle, brain, and liver simultaneously. 120 tablets per container. 60 two-tablet servings. Take 2 tablets twice daily, 8-12 hours apart. Do not exceed 4 tablets per day.†

Supplement Facts — Hi-Tech Pharmaceuticals Carnifuel (Per 2 Tablets / 1 Serving / 60 Servings)

B-Vitamins

• Niacin — 50mg (250% DV)
• Vitamin B6 (as Pyridoxine Hydrochloride) — 10mg (500% DV)

Five-Form Carnitine Complex (1,000mg total)

• Carnitine Silicate (as CarniPlex) — 200mg
• GlucoCarn (Alanine Propionyl L-Carnitine HCl / Glycine Propionyl L-Carnitine HCl) — 200mg
• Palmitoyl-R-Carnitine — 200mg
• Propionyl L-Carnitine HCl (PLCAR) — 200mg
• L-Carnitine Tartrate — 200mg

Thermogenic Support

• Epigallocatechin Gallate (EGCG) — 100mg

• Other Ingredients: Dicalcium Phosphate, Silica, Microcrystalline Cellulose, Vegetable Stearic Acid, Titanium Dioxide, Vegetable Magnesium Stearate
• 580mg per tablet. 2 tablets = 1 serving.
• 120 tablets / 60 servings per container.
• Take 2 tablets, 2 times daily, 8-12 hours apart. Do not exceed 4 tablets per day.

Why Five Carnitine Forms — The Science Behind Carnifuel's Approach

L-Carnitine is a quaternary ammonium compound synthesized endogenously from lysine and methionine with the cofactors Vitamin C, Niacin, Vitamin B6, and iron. Its primary biological role is transporting long-chain fatty acids across the inner mitochondrial membrane for beta-oxidation — the process by which fat is converted to ATP. Without adequate carnitine, long-chain fatty acids cannot enter the mitochondria and cannot be burned for energy regardless of how much fat mobilization has occurred. Approximately 95% of the body's carnitine is stored in skeletal muscle, with the remaining 5% distributed among cardiac muscle, brain, liver, and testes — tissues with very high energy demands that depend on carnitine for optimal function.†

The reason five carnitine forms exist — and the reason Hi-Tech built Carnifuel around all five — is that different carnitine compounds have different physicochemical properties, different absorption rates, different tissue distribution patterns, and different biological activities beyond simple fatty acid transport. Standard L-Carnitine supplementation primarily benefits skeletal muscle fat metabolism. It does not cross the blood-brain barrier effectively, does not specifically address cardiac muscle function, and does not carry the additional acetyl group that supports acetylcholine synthesis. Carnifuel's multi-form architecture addresses all of these dimensions simultaneously.†

Carnitine Silicate (CarniPlex) — 200mg

CarniPlex is a proprietary compound exclusive to Hi-Tech Pharmaceuticals — a combination of Carnitine, Inositol, and Potassium Silicate that represents the most novel carnitine form in the Carnifuel formula. The Carnitine Silicate complex is manufactured in an inositol-stabilized form designed to improve bioavailability of both the silicate and the carnitine fractions simultaneously. Inositol is a carbocyclic sugar involved in cell membrane structure and signaling — it enhances carnitine's uptake and utilization at the cellular level. Research on CarniPlex concluded that the Carnitine Silicate Inositol complex is absorbed efficiently, raises plasma carnitine levels, and is more biologically effective than a carnitine base alone. As a coronary function improving agent, CarniPlex research has shown protective effects on cardiac muscle energy metabolism and cardiac cell function — making it the cardiovascular-targeted carnitine in the Carnifuel formula.†

GlucoCarn (Alanine Propionyl L-Carnitine HCl) — 200mg

GlucoCarn is Sigma-Tau's branded form of Glycine Propionyl L-Carnitine HCl (GPLC) — a propionate ester of L-Carnitine combined with glycine that has documented research on nitric oxide production and blood flow enhancement. GPLC has a unique mechanism not shared by other carnitine forms: it acts as a precursor for propionyl-CoA, which feeds into the Krebs cycle and supports ATP production in cardiac muscle independently of fatty acid transport. Published research on GPLC documents improvements in peak power output, reduction in exercise-induced free radical production, and increases in nitric oxide metabolites following exercise — the nitric oxide enhancement is GPLC's most distinctive contribution to Carnifuel, as none of the other four carnitine forms produce meaningful NO support.†

Palmitoyl-R-Carnitine — 200mg

Palmitoyl-R-Carnitine is a long-chain fatty acid ester of carnitine — specifically the R-isomer (the biologically active stereoisomer) esterified with palmitic acid, a 16-carbon saturated fatty acid. This structural feature makes Palmitoyl-R-Carnitine highly lipophilic (fat-soluble), allowing it to cross cell membranes including the blood-brain barrier more effectively than standard L-Carnitine, which is hydrophilic and crosses biological membranes poorly. In the central nervous system, Palmitoyl-R-Carnitine supports neuronal membrane integrity and mitochondrial function in brain cells — the same fatty acid transport mechanism that benefits skeletal muscle applies equally to neurons, whose mitochondria are equally dependent on carnitine for optimal energy production. Palmitoyl-R-Carnitine is the CNS-penetrating carnitine form in Carnifuel's five-compound system.†

Propionyl L-Carnitine HCl (PLCAR) — 200mg

Propionyl L-Carnitine HCl is the carnitine ester most extensively researched for peripheral vascular function and cardiac energy metabolism. The propionyl group esterified to L-Carnitine provides a substrate for the Krebs cycle (propionyl-CoA → succinyl-CoA) that generates ATP in cardiac and vascular smooth muscle cells through a pathway that is distinct from and complementary to fatty acid beta-oxidation. PLCAR has documented clinical research in peripheral arterial disease, where it significantly improved walking distance and quality of life measures compared to standard L-Carnitine — demonstrating its superiority for vascular smooth muscle energy support in conditions of reduced blood flow. PLCAR is the vascular and cardiac energy-targeted carnitine in Carnifuel, working alongside CarniPlex for comprehensive cardiovascular carnitine coverage.†

L-Carnitine Tartrate — 200mg

L-Carnitine Tartrate is the standard free-form L-Carnitine complexed with tartaric acid for improved stability and solubility. It is the carnitine form with the most human research behind skeletal muscle fatty acid transport, post-exercise recovery (documented reductions in muscle damage markers and DOMS), and insulin sensitivity. L-Carnitine Tartrate serves as the foundational skeletal muscle carnitine in Carnifuel's formula — the well-characterized workhorse form that anchors the five-compound system with the broadest base of sports nutrition research.†

EGCG (Epigallocatechin Gallate) — 100mg

EGCG is the primary bioactive catechin from green tea and the most potent catechin at inhibiting catechol-O-methyltransferase (COMT) — the enzyme that breaks down norepinephrine. By inhibiting COMT, EGCG prolongs norepinephrine's activity in the sympathetic nervous system, which drives fat cell lipolysis (the release of stored fatty acids into the bloodstream). This creates a synergistic effect with the carnitine complex: EGCG mobilizes more fatty acids from adipose tissue, and the five carnitine forms transport those mobilized fatty acids into mitochondria for beta-oxidation. The combination of a mobilizer (EGCG) and multiple transporters (the five carnitines) is a more complete fat metabolism system than either approach alone.†

Who Carnifuel Is For

Carnifuel serves four distinct user profiles. First, endurance and aerobic athletes — runners, cyclists, triathletes — for whom L-Carnitine's primary fatty acid transport mechanism directly supports the fat-burning energy system that dominates at training intensities below the lactate threshold. At aerobic exercise intensity, the body preferentially burns fat for fuel, and carnitine availability is the rate-limiting step for that fat oxidation. Second, men and women pursuing fat loss while preserving lean mass — the combination of EGCG-driven fatty acid mobilization and multi-form carnitine transport creates a more comprehensive fat metabolism support system than standard L-Carnitine alone. Third, older adults and individuals with cardiovascular concerns seeking carnitine for cardiac and vascular energy support — the CarniPlex and PLCAR components address the cardiac and peripheral vascular dimensions of carnitine's benefits that are often more relevant than skeletal muscle fat metabolism for this population. Fourth, anyone on a Hi-Tech stack who wants carnitine coverage beyond what Musclevite's 1,000mg of Carnipure per serving provides — Carnifuel's five-form complexity covers carnitine delivery angles that Carnipure's single-form L-Carnitine Tartrate does not.†

Frequently Asked Questions About Hi-Tech Carnifuel

1. Does Carnifuel contain caffeine or stimulants?
   No. Carnifuel is stimulant-free — the EGCG is the only thermogenic compound in the formula, and EGCG works through enzymatic inhibition rather than through stimulant receptor pathways. There is no caffeine, no synephrine, no beta-phenylethylamine, and no other central nervous system stimulants. Carnifuel is appropriate for any time of day including evening use without affecting sleep, and can be stacked with any stimulant-containing pre-workout or fat burner without concern about stimulant stacking.†
2. Is Carnifuel better taken with food or on an empty stomach?
   Carnitine absorption is enhanced by insulin — taking Carnifuel with a carbohydrate-containing meal triggers insulin release that upregulates carnitine transport into muscle cells via the sodium-dependent carnitine transporter (OCTN2). The optimal timing for maximum muscle carnitine uptake is with a meal containing 30-50g of carbohydrate, which produces a moderate insulin response sufficient to drive carnitine into skeletal muscle. Carnifuel can be taken on an empty stomach and still provides meaningful blood carnitine elevation — but co-ingestion with carbohydrate significantly increases the fraction of ingested carnitine that reaches skeletal muscle rather than being excreted.†
3. How does Carnifuel compare to standalone L-Carnitine L-Tartrate supplements?
   Standalone L-Carnitine L-Tartrate (like Carnipure at 1,000-2,000mg per serving) is the most bioavailable and best-researched single-form carnitine for skeletal muscle fat metabolism and exercise recovery. Carnifuel provides 200mg of L-Carnitine Tartrate per serving — a lower absolute dose — but adds CarniPlex, GPLC, Palmitoyl-R-Carnitine, and PLCAR to address cardiovascular function, nitric oxide production, CNS penetration, and peripheral vascular energy that standard L-Carnitine Tartrate does not cover. For users whose primary goal is maximum skeletal muscle carnitine loading for fat metabolism and recovery, a higher dose of standalone Carnipure may be more direct. For users who want comprehensive multi-system carnitine coverage — cardiac, vascular, neural, and skeletal muscle — Carnifuel's five-form architecture provides breadth that no single-form product can match.†
4. Can Carnifuel be stacked with Hi-Tech Musclevite?
   Yes — and this is a logical stack. Musclevite provides 1,000mg of Carnipure (L-Carnitine Tartrate) per 3-tablet serving and 2,000mg at the full two-serving daily dose. Carnifuel adds 200mg of L-Carnitine Tartrate plus the four additional carnitine forms and EGCG that Musclevite does not include. The combined stack delivers both high-dose Carnipure for skeletal muscle loading and the multi-form carnitine coverage of Carnifuel for cardiovascular and neurological support. The carnitine content of both products together is well within safe supplementation parameters — carnitine has no established upper tolerable intake limit and excess carnitine is excreted harmlessly.†

How to Take Hi-Tech Pharmaceuticals Carnifuel

Take 2 tablets, 2 times daily, 8-12 hours apart. Do not exceed 4 tablets per day. Best taken with a carbohydrate-containing meal for optimal muscle carnitine uptake. Stimulant-free — appropriate any time of day. Store in a cool, dry place. Keep out of reach of children.†

Why Buy at Get Yok'd

• Real-time inventory across all five Southern California stores
• Available in Burbank, Glendale, Glendale Galleria, Pasadena, and North Hollywood
• Authorized retailer of Hi-Tech Pharmaceuticals
• One of the best loyalty programs in the supplement industry — earn rewards on every purchase
• Owned and operated by fitness enthusiasts who actually use what we sell

Who Should Not Take Carnifuel

• Not for persons under 18 years of age
• Not for pregnant or nursing women
• Individuals with hypothyroidism should consult a physician before use — carnitine supplementation may reduce the effects of thyroid hormone medications
• Individuals taking anticoagulant medications (Warfarin/Coumadin) should consult a physician — EGCG may affect blood clotting factors
• Individuals with seizure disorders should consult a physician before use — some carnitine forms have reported interactions with valproic acid and other anti-seizure medications
• Consult a physician before use if taking any prescription medications or having any medical condition
• Keep out of reach of children

†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.