
Jacked Factory
Lean PM Review
Stimulant-free nighttime fat burner with melatonin and L-Theanine
Last updated: March 21, 2026 · Verified Review
Our Recommendation: Purchase Lean PM through Recelis.com — our vetted source for third-party verified supplements.
Get It Now — Official Site →Quick Summary
Our Verdict
Pros
- ✓Fully transparent label with exact doses
- ✓Clean formula — no stimulants or unnecessary additives
- ✓Affordable compared to premium sleep-fat burning formulas
Cons
- ✗No HGH-supportive compounds
- ✗Missing cortisol suppression for stress-driven sleep issues
- ✗Green tea at this dose has limited overnight thermogenic effect
Best For
Those wanting a simple, transparent nighttime formula to support sleep and mild thermogenesis.
What Is Lean PM?
Lean PM is a sleep cognitive recovery supplement manufactured by Jacked Factory. It's designed for those wanting a simple, transparent nighttime formula to support sleep and mild thermogenesis.
The formula is positioned as stimulant-free nighttime fat burner with melatonin and l-theanine. In this comprehensive review, we examine each ingredient against the published clinical literature, evaluate the dosing accuracy, and provide an honest assessment of whether Lean PM is worth your investment in 2026.
Key Ingredients & Scientific Evidence
| Ingredient | Dose | Evidence | Effect |
|---|---|---|---|
| Melatonin | 3mg | Strong | Sleep onset, circadian rhythm synchronization |
| L-Theanine | 200mg | Strong | Relaxation, sleep quality without sedation |
| Green Tea Extract (decaf) | 400mg | Moderate | EGCG thermogenesis, overnight fat oxidation support |
How Does Lean PM Work?
Lean PM works through multiple synergistic mechanisms targeting the primary cognitive domains it's designed to support. The formula from Jacked Factory combines ingredients that work on neurotransmitter synthesis, cerebral blood flow, neuronal membrane health, and mitochondrial energy production.
The ingredient profile targets sleep cognitive recovery via Melatonin, L-Theanine, Green Tea Extract (decaf) — compounds with established mechanisms in peer-reviewed literature. Full effects typically develop over 2-8 weeks of consistent daily use.
Effectiveness Breakdown
Side Effects & Safety
Very well tolerated. Melatonin may cause vivid dreams or morning grogginess in some users.
* Always consult a qualified healthcare provider before starting any supplement regimen, especially if you are pregnant, nursing, have a medical condition, or take prescription medications.
Who Should (and Shouldn't) Buy Lean PM?
✓ Good For
- •Fully transparent label with exact doses
- •Clean formula — no stimulants or unnecessary additives
- •Affordable compared to premium sleep-fat burning formulas
✗ Not Ideal For
- •No HGH-supportive compounds
- •Missing cortisol suppression for stress-driven sleep issues
- •Green tea at this dose has limited overnight thermogenic effect
Price & Value for Money
At $1 per serving, Lean PM is reasonably priced for its ingredient quality and evidence base. Value varies depending on your specific cognitive goals.
Lean PM vs. Competitors
| Metric | Lean PM(this) | SleepLean | Resurge |
|---|---|---|---|
| Overall Score | 7/10 | 8.1/10★ | 7.3/10 |
| Focus | 5/10 | 7/10★ | 5.5/10 |
| Memory | 5/10 | 7.5/10★ | 5.5/10 |
| Energy | 5.5/10 | 7.8/10★ | 6.5/10 |
| Mood | 7/10 | 8.2/10★ | 7/10 |
| Monthly Cost | $30 | $59★ | $49 |
What Users Are Saying
Mark T.
Been taking Lean PM for 3 months. Noticeable improvement in focus and mental clarity. Worth every penny.
Sarah M.
Good results after 6 weeks. I was skeptical but the ingredients are well-researched. Would recommend to anyone looking to improve cognitive performance.
David K.
Lean PM has been part of my morning routine for 8 weeks. My productivity metrics are measurably better. Solid product.
Our Final Verdict
Lean PM
Lean PM is a clean, straightforward nighttime fat burner — melatonin for sleep initiation, L-Theanine for relaxation, and green tea extract for thermogenic support while you sleep. It's an honest product with transparent dosing. The limitation is the green tea dose — without the cortisol-suppressive compounds that help high-stress individuals achieve the restorative deep sleep where HGH and fat oxidation peak. SleepLean addresses the cortisol and deep sleep architecture problem that Lean PM doesn't touch.
Where to Buy
Where to Buy Lean PM — Recelis.com
After thoroughly reviewing Lean PM, we recommend purchasing through the official website — the only authorized source with a full money-back guarantee.
Disclosure: We may earn a commission at no extra cost to you. This supports our independent research.
Free Guide
Brain Optimization Guide
Get our expert supplement guide — free for subscribers.
No spam. Unsubscribe anytime.