All supplements

Fat Loss · Evidence Preliminary

Yohimbine HCl

A stimulant compound studied for stubborn fat — carries significant cardiovascular and psychiatric risks.

Dosage

0.2 mg/kg bodyweight in research; many people do not tolerate this dose

Timing

Fasted, before low-intensity cardio

Evidence

Preliminary

Overview

Yohimbine has a legitimate research signal for stubborn fat loss in already-lean athletes doing fasted cardio, but the risk profile is serious. It is not a general fat-loss supplement and is not appropriate for most people.

Benefits

  • May increase fat oxidation from stubborn regions in lean athletes during fasted cardio

Best for

Advanced lean athletes only, and only after medical clearance

Stacks with

Side effects

  • Anxiety and panic attacks
  • Elevated blood pressure and heart rate
  • Nausea, sweating, tremor
  • Insomnia

Warnings & cautions

  • Do not use if you have hypertension, cardiovascular disease, arrhythmia, or a history of anxiety or panic disorders.
  • Do not combine with caffeine, other stimulants, MAOIs, or antidepressants.
  • Avoid during pregnancy or breastfeeding, and in children or adolescents.
  • Stop use immediately if you experience chest pain, palpitations, severe anxiety, or a hypertensive crisis and seek emergency care.

Drug & condition interactions

  • MAOIs, antidepressants, blood-pressure medications, stimulants.

Evidence notes

Limited human evidence for lean-athlete fat-loss applications. Side-effect profile is significant.

Research references

  • [1] Ostojic SM. Yohimbine: the effects on body composition and exercise performance in soccer players. Res Sports Med, 2006; 14:289–299

Medical disclaimer

This page is for general educational purposes only and is not medical advice. Individual response to supplements varies. Consult a licensed healthcare provider before starting any supplement — especially if you are pregnant, breastfeeding, under 18, taking prescription medication, or managing a medical condition.