Protocol · Metabolic & Endocrine
Overweight (BMI 25-29.9) Protocol
Fiber (Glucomannan/Psyllium) and Protein Supplementation are the core of this stack, with 4 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Overweight (BMI 25-29.9).
We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.
The stack
6 supplements · 5 graded · 2 confirmed studies
| Grade | Supplement | Amount listed | Why it’s in the stack | Evidence on file | Shop |
|---|---|---|---|---|---|
| Primary stackThe core of this protocol | |||||
| Fiber (Glucomannan/Psyllium) | Amount listed: 3–5 g daily (1 g before each main meal with water) | Soluble fiber increases satiety through gastric distension, delays gastric emptying, and reduces calorie absorption | Not graded yet | ||
Confirmed studies for Fiber (Glucomannan/Psyllium) (titles as PubMed lists them) | |||||
| Protein Supplementation | Amount listed: 20–40 g daily (1.2–1.6 g/kg total protein intake) | High thermic effect, increases satiety hormones (PYY, GLP-1), and preserves lean mass during caloric deficit
| Grade C for Anti-Oxidant Enzyme Profile30 people | ||
| Supporting stackListed as additions to the core | |||||
| Green Tea Extract (EGCG) | Amount listed: 250–500 mg EGCG daily | Catechins inhibit COMT, prolonging norepinephrine-induced thermogenesis and fat oxidation
| Grade D for Body Fat2 studies · 148 people | ||
| Probiotics | Amount listed: 10–50 billion CFU daily (Lactobacillus strains) | Modulate gut microbiome composition affecting energy harvest, appetite hormones, and metabolic inflammation
| Grade C for Body Fat1 study · 92 people | ||
Confirmed studies for Probiotics (titles as PubMed lists them) | |||||
| Conjugated Linoleic Acid (CLA) | Amount listed: 3–6 g daily | Reduces adipocyte lipid uptake and promotes lipolysis via PPAR-gamma modulation
| Grade D for Adiponectin110 people | ||
| Chromium Picolinate | Amount listed: 200–1,000 mcg daily | Enhances insulin sensitivity and may reduce carbohydrate cravings
| Grade D for Adiponectin25 people | ||
Shop the evidence-backed picks
The collection holds the supplements we grade A or B for its theme, in third-party tested products where the catalog has them. It opens in our Fullscript store. You can look through it without signing in; Fullscript asks for a free account to order.
Or shop one supplement
Each opens third-party tested products, matched to the dose above where we can.
- Grade C
- Grade D
- Grade C
- Grade D
- Grade D
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How this protocol works
In plain language
Being overweight (BMI 25-29.9) increases risk of developing type 2 diabetes, heart disease, and other health conditions. Weight management requires creating a caloric deficit while maintaining nutrition and preventing muscle loss. These supplements support weight loss by increasing satiety, boosting metabolism, and optimizing body composition.
- Fiber (Glucomannan/Psyllium) is one of the most evidence-based weight loss supplements. These soluble fibers absorb water and expand in the stomach, creating a feeling of fullness that naturally reduces food intake. Glucomannan can absorb 50 times its weight in water. Studies show consistent weight loss of 2-4 lbs over 8 weeks without other dietary changes. Take 30 minutes before meals with plenty of water.
- Protein Supplementation supports weight loss through multiple mechanisms: it has the highest thermic effect of food (20-30% of calories burned during digestion), strongly increases satiety hormones, and critically preserves muscle mass during caloric restriction. Losing muscle slows your metabolism—adequate protein prevents this metabolic slowdown.
- Green Tea Extract (EGCG) modestly increases metabolic rate and fat burning by inhibiting an enzyme that breaks down norepinephrine. The combination with caffeine is synergistic. Effects are small (50-100 extra calories burned daily) but compound over time.
- Probiotics may influence body weight through the gut microbiome. Certain strains (particularly Lactobacillus gasseri and L. rhamnosus) have been shown to reduce body weight and belly fat. They may work by reducing calorie extraction from food and improving metabolic hormones.
- CLA (Conjugated Linoleic Acid) may help reduce body fat accumulation, particularly around the abdomen. Effects are modest but meaningful as part of a comprehensive approach.
- Chromium can help reduce carbohydrate cravings and improve insulin sensitivity, making it easier to stick to a reduced-calorie diet.
Expected timeline: Fiber effects on appetite are immediate. Metabolic effects from green tea begin within days. Measurable weight loss typically requires 4-8 weeks of consistent use. Best results when combined with a modest caloric deficit (250-500 kcal/day) and regular physical activity.