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Cosmetic & Topical

Glycyrrhetinic Acid + Aminophylline Cream

Compounded cream combining a lipolysis promoter and a local cortisol blocker for modest spot fat reduction alongside a calorie deficit.

Approved · other useEvidence level 3 of 5: Limited human dataAlso: Transdermal fat-loss cream, Aminophylline–glycyrrhetinic acid cream, Compounded lipolytic cream

Overview

This compounded cream pairs two actives aimed at stubborn local fat. Aminophylline, a theophylline salt approved for asthma, raises cyclic AMP in fat cells by blocking phosphodiesterase and adenosine signaling, which favors fat breakdown. Glycyrrhetinic acid, from licorice root, inhibits 11β-HSD1, the enzyme that regenerates active cortisol inside fat tissue and promotes storage. Small studies report circumference reductions of roughly 0.5–2 cm over several weeks in treated areas such as thighs and abdomen, with minimal detectable theophylline in blood. Results are modest and depend on an overall calorie deficit and exercise. Applied over large areas, glycyrrhetinic acid can be absorbed enough to raise blood pressure and lower potassium.

Classification
Compounded topical combination: methylxanthine drug (aminophylline) + licorice-derived triterpenoid (18β-glycyrrhetinic acid)
Route
Topical (transdermal cream)
Half-life
Not established topically (oral theophylline ~8 hours)

Mechanism of action

Primary targetAdipocyte cAMP (PDE/adenosine) and 11β-HSD1
  1. Transdermal absorptionActives penetrate skin into subcutaneous fat at the application site.
  2. Phosphodiesterase inhibitionAminophylline raises adipocyte cAMP and blocks antilipolytic adenosine signaling.
  3. Lipolysis activationcAMP activates hormone-sensitive lipase, releasing stored fatty acids.
  4. Local cortisol reductionGlycyrrhetinic acid inhibits 11β-HSD1, lowering cortisol's fat-storage signal.
  5. Fatty acid mobilizationReleased fatty acids are burned when energy demand exceeds intake.
Downstream effects
  • Modest local circumference loss
  • Reduced local fat storage

Researched for

  • Localized subcutaneous fat (thighs, abdomen, flanks, arms)
  • Cellulite appearance
  • Body contouring adjunct

Research notes

  • Systematic review (Frontiers in Endocrinology, 2023): 5 small studies; most showed greater thigh/waist reduction on treated sides, with no significant changes in vitals or labs.
  • Theophylline was generally undetectable in blood with topical use; rash was the most common adverse effect.
  • Armanini et al. (2005): topical glycyrrhetinic acid reduced thigh fat thickness in a small study of healthy women.
  • Trials were small (5–25 participants), older, and heterogeneous; benefits are smaller without diet and exercise.

Reported side effects

  • Local irritation, rash or contact dermatitis
  • Blood pressure elevation with large-area use
  • Low potassium and fluid retention (rare)
  • Pseudo-aldosteronism with chronic extensive use

Contraindications & cautions

  • Uncontrolled hypertension
  • Hypokalemia, heart failure or kidney disease
  • Pregnancy and breastfeeding
  • Allergy to theophylline/ethylenediamine or licorice
  • Cardiac arrhythmias or concurrent theophylline therapy

Lab monitoring

  • Blood pressure (seated, both arms)
  • CMP with potassium
  • Fasting glucose, HbA1c, lipid panel
  • AM cortisol if central obesity pattern
  • Circumference measurements and photography

Dosing and pricing for Glycyrrhetinic Acid + Aminophylline Cream

Dosing references and compound pricing are available to established patients in the secure portal after a medical evaluation.

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