About the Product
Nutrex Research's Lipo-6 Black Intense is the most potent and advanced version of the entire Lipo-6 Black line — positioned above the Ultra Concentrate as the "elite level" fat burner for users with high stimulant tolerance who seek the most intense thermogenic available. The formula expands on the UC's stack by adding GBBGO® (Gamma-Butyrobetaine Hydrochloride, the "super precursor" of L-Carnitine with a potent independent thermogenic effect) and increases the caffeine dose to ~250mg per capsule (vs. 200mg in the UC). Ultra Concentrated Fat Loss Support Complex of 315.1mg per capsule: Anhydrous Caffeine + Anhydrous Theobromine + AdipoSyn™ Citrus aurantium (50% p-Synephrine) + GBBGO® + Yohimbine HCl + Rauwolscine. Liqui-Cap technology for ultra-fast absorption. 1 capsule/dose, 2x/day. 60 capsules. Vegan (HPMC capsule).
Ingredients per capsule (proprietary blend 315.1mg): Anhydrous Caffeine + Anhydrous Theobromine + AdipoSyn™ (Citrus aurantium, 50% p-Synephrine) + GBBGO® (Gamma-Butyrobetaine Hydrochloride) + Yohimbine HCl + Rauwolfia vomitoria Extract (90% Rauwolscine HCl). Other ingredients: Glycerin + Vegetable Cellulose (HPMC capsule) + Purified Water + Polysorbate 80 + FD&C Colorants.
Benefits
The Lipo-6 Black hierarchy: Standard → Ultra Concentrate → Intense:
Nutrex's Lipo-6 Black portfolio follows a clear potency hierarchy. The standard Lipo-6 Black (220mg caffeine, 3 capsules/dose, 9 ingredients with cognitive components) is the entry point into the portfolio. Lipo-6 Black Ultra Concentrate (200mg caffeine, 1 capsule/dose, 5 ultra-concentrated ingredients) is the step-up in concentration. Lipo-6 Black Intense (250mg caffeine, 1 capsule/dose, 6 ingredients with additional GBBGO®) is the top of the line — the version for advanced users who have already maximized the effects of UC and want more thermogenic power. The core difference between UC and Intense is the addition of GBBGO® and the increase from 200mg to ~250mg of caffeine, which significantly boosts thermogenic intensity and total lipolytic effect.
GBBGO® (Gamma-Butyrobetaine Hydrochloride): the "super carnitine" and the most potent thermogenesis inducer in the formula:
GBBGO® (Gamma-Butyrobetaine Hydrochloride, GBB) is the exclusive differentiating ingredient in Lipo-6 Black Intense that is not present in standard UC. GBB is the immediate metabolic precursor of L-Carnitine in the endogenous biosynthetic pathway: GBB + oxygen + vitamin C → L-Carnitine, catalyzed by γ-butyrobetaine dioxygenase (BBD). Supplementation with GBB provides the immediate substrate for endogenous L-Carnitine synthesis, increasing plasma and muscle levels of L-Carnitine more efficiently than oral L-Carnitine (which has limited intestinal absorption by OCTN2 transporters, which quickly saturate). Greater L-Carnitine availability means greater transport of long-chain fatty acids into the mitochondrial matrix via CPT1/CPT2, increasing β-oxidation and ATP production from fat. In addition to the carnitine synthesis pathway, GBB has a direct and very marked thermogenic effect: it is the thermogenic with the most documented sweating effect reported by users — GBB activates cutaneous temperature receptors and significantly increases sweating, which is a direct marker of thermogenesis (heat production). Users of Lipo-6 Black Intense consistently report greater sweating during exercise and a greater sensation of body heat than with other fat burners — GBBGO® is primarily responsible for this effect.
~250mg of caffeine per capsule: high-performance dose in a single Liqui-Cap:
With ~250mg of anhydrous caffeine per capsule (confirmed by multiple sources as "about 250mg per dose"), Lipo-6 Black Intense has 25% more caffeine than UC (200mg) and is one of the highest caffeine doses per capsule available on the European supplement market. For context: 250mg of caffeine is equivalent to approximately 2 to 3 strong espresso coffees. Liqui-Cap technology ensures that this dose of caffeine is absorbed within 10 to 20 minutes of ingestion, producing a very rapid onset of energy and alertness. Combined with the total 315.1mg of the proprietary blend (which includes theobromine for prolonged sustenance), the energy curve of Intense is the most intense and prolonged of the entire Lipo-6 line.
AdipoSyn™ (Citrus aurantium 50% p-Synephrine): the certified thermogenic shared with UC:
As already described in the Lipo-6 Black Ultra Concentrate section, AdipoSyn™ (Advantra Z® in earlier versions, AdipoSyn™ in more recent versions) is the Citrus aurantium extract standardized to 50% p-synephrine — the highest concentration available on the market and with the largest volume of published clinical studies among synephrine extracts. p-synephrine activates β3-adrenergic receptors in adipocytes (lipolysis and thermogenesis via UCP1) without the marked cardiovascular effects of ephedrine. In the context of Intense, AdipoSyn™ synergizes with caffeine (which amplifies norepinephrine release), GBBGO® (which increases mitochondrial β-oxidation of mobilized fatty acids), and yohimbine/rauwolscine (which blocks the α2 brake on lipolysis), creating the most complete lipolytic and thermogenic cycle available in a single capsule.
Yohimbine HCl + Rauwolscine: dual-potency α2 blockade (shared with UC):
As extensively described in the Lipo-6 Black and Lipo-6 Black Ultra Concentrate sections, the Yohimbine HCl + Rauwolscine (90% alpha-yohimbine) combination blocks α2-adrenergic receptors in adipocytes, mobilizing stubborn subcutaneous fat from areas with higher α2 density (lower abdomen, flanks, thighs). In Intense, α2 blockade is combined with 250mg of caffeine (greater norepinephrine release) + GBBGO® (greater mitochondrial β-oxidation) + AdipoSyn™ (greater β3 activation) — the most potent synergy possible among the ingredients in the Lipo-6 line.
Anhydrous Theobromine: sustained thermogenic support:
As already described in the Lipo-6 Black and UC sections, theobromine complements caffeine with a milder but much longer-lasting thermogenic and vasodilating effect (half-life 7 to 12 hours), preventing an abrupt crash and sustaining elevated metabolic expenditure throughout the entire afternoon and evening of training.
Usage
Recommended dosage: Take 1 capsule in the morning and 1 capsule in the afternoon, at least 30 minutes before a meal. NEVER exceed 1 capsule per serving. NEVER take more than 2 capsules in 24 hours. Do not take within 6 hours of bedtime. To assess initial tolerance, start with 1 capsule only in the morning for the first 3 to 5 days before progressing to 2 capsules/day. Use in cycles: maximum 60 days of use + 15 days break. 60 capsules = 30 days of use (at 2 capsules/day).
