Category
Supplement Reviews
Every product we’ve run through the 5-Point Quality Filter, organized by what it’s for: Weight Management, Blood Sugar, Brain & Focus, and the rest. Each review states a Trust Score, not just a pass/fail label, and every product that failed our bar is still published here, not quietly dropped. Browse by category below, or see the ingredient-science, safety, comparison and how-to guides that support each review.
96 reviews in this category
Safety & Interactions: What We Check Before Any Product Passes
What our safety check covers, why it can cap a verdict regardless of other scores, and why we…
Evidence Quality: Human Trials, Animal Studies, and Marketing Claims Aren’t the Same Thing
Why human trials, animal studies, and marketing claims aren't interchangeable evidence, and how we check every citation before…
EGCG (Green Tea Extract) for Metabolism: What the Evidence Actually Shows
EGCG (epigallocatechin gallate), the main active compound in green tea extract, appears in both our Nagano and Java…
Chromium Picolinate for Blood Sugar and Cravings: The Honest Evidence Picture
Chromium picolinate is a common addition to weight-management and blood-sugar-support supplements, including Java Burn. Here is the honest…
Chlorogenic Acid (Green Coffee Bean) for Weight Loss: The Real Evidence
Chlorogenic acid from green coffee bean extract is a named active in Java Burn and many other "coffee…
Camu Camu and Acerola for Vitamin C: Does “Natural” Actually Absorb Better?
Nagano Lean Body Tonic sources its vitamin C from acerola and camu camu rather than plain ascorbic acid.…
Ashwagandha for Stress and Cortisol: What the Research Shows
Ashwagandha appears in Nagano Lean Body Tonic's herb blend for stress support. Here is the actual randomized controlled…
L-Theanine and Caffeine for Focus: What the Research Shows
L-theanine is meant to "smooth" the caffeine in Java Burn's coffee-additive design. Here is the real randomized controlled…
L-Carnitine for Fat Loss: The Real 37-Trial Meta-Analysis
L-Carnitine carries Java Burn's strongest individual evidence rating: a 37-RCT meta-analysis, not a single small study. Here is…
Panax Ginseng for Energy and Fatigue: What the Evidence Shows
Panax ginseng is named in Nagano Lean Body Tonic's herb blend for energy support. Here is the real…