Shred Burner Review
- Solid mood and focus support
- Two dose sizes for tolerance
- Long-lasting, 60 days per bottle
- Appetite and fat-burning both weak
- Needs the larger dose to work
Effects Timeline
AI-estimated changes in effects over the first 14 hours after taking the recommended serving.
Pack Nutrition Shred Burner leans into mental clarity and focus rather than fat-burning or appetite control, which are both fairly weak here.
It spreads its stimulant content across a few sources instead of one big caffeine hit, which tends to feel smoother.
You'll want the larger 2-capsule dose for a meaningful effect — the smaller option is quite mild.
Honest take: A mediocre fat burner dressed up as a focus supplement.
Ingredient breakdown
Every dose · every gap| Ingredient | Clinically effective dose | Dose in Shred Burner | Status |
|---|---|---|---|
| Caffeine (actual caffeine) | 200–400 mg | 100 mg | 50%Under-dosed |
| Tetramethyluric Acid (Theacrine) | 200 mg | 20 mg | 10%Under-dosed |
| Methylliberine (Dynamine) | 100 mg | 20 mg | 20%Under-dosed |
| Theanine | 200–400 mg | 100 mg | 50%Under-dosed |
| N-Acetyl-L-Tyrosine (NALT) | 1 g | 0.08 g | 8%Under-dosed |
| Synephrine | 30 mg | 15 mg | 50%Under-dosed |
| Theobromine | 250 mg | 50 mg | 20%Under-dosed |
| Huperzine-A | 200 mcg | 50 mcg | 25%Under-dosed |
| Forskolin | 250 mg | 12 mg | 5%Under-dosed |
| Rhodiola Rosea | 200 mg | 50 mg | 25%Under-dosed |
| Juniper Berry Extract | 200 mg | 50 mg | 25%Under-dosed |
| Amentoflavone (Selaginella) | 50 mg | 25 mg | 50%Under-dosed |
| Lion's Mane (Hericium erinaceus) | 1.5 g | 0.05 g | 3%Under-dosed |
- Caffeine (actual caffeine)100 mg50%Under-dosed
- Tetramethyluric Acid (Theacrine)20 mg10%Under-dosed
- Methylliberine (Dynamine)20 mg20%Under-dosed
- Theanine100 mg50%Under-dosed
- N-Acetyl-L-Tyrosine (NALT)0.08 g8%Under-dosed
- Synephrine15 mg50%Under-dosed
- Theobromine50 mg20%Under-dosed
- Huperzine-A50 mcg25%Under-dosed
- Forskolin12 mg5%Under-dosed
- Rhodiola Rosea50 mg25%Under-dosed
- Juniper Berry Extract50 mg25%Under-dosed
- Amentoflavone (Selaginella)25 mg50%Under-dosed
- Lion's Mane (Hericium erinaceus)0.05 g3%Under-dosed
Evidence references
Effects of Caffeine Intake on Endurance Running Performance and Time to Exhaustion: A Systematic Review and Meta-Analysis
Promising, but Not Completely Conclusive-The Effect of l-Theanine on Cognitive Performance Based on the Systematic Review and Meta-Analysis of Randomized Placebo-Controlled Clinical Trials
The effect of Rhodiola rosea supplementation on endurance performance and related biomarkers: a systematic review and meta-analysis
The Safety and Efficacy of Citrus aurantium (Bitter Orange) Extracts and p-Synephrine: A Systematic Review and Meta-Analysis
