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Protocol · Metabolic & Endocrine

Obesity & Weight Management Protocol

Glucomannan and Protein (Whey/Casein) 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 Obesity & Weight Management.

We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.

The stack

6 supplements · 4 graded · 7 confirmed studies

Amount listed in this protocol; not a recommendation.

Supplements in the Obesity & Weight Management protocol, with the amount the protocol lists, the grade on file and confirmed studies
GradeSupplementAmount listedWhy it’s in the stackEvidence on fileShop
Primary stackThe core of this protocol
GlucomannanAmount listed: 1 g 30 min before meals with water (3 g/day total)

Soluble fiber expands in stomach to increase satiety, delays gastric emptying, and reduces calorie absorption

Not graded yet

Confirmed studies for Glucomannan (titles as PubMed lists them)

Protein (Whey/Casein)Amount listed: 25–50 g daily (1.2–1.6 g/kg body weight total protein)

Increases satiety hormones (GLP-1, PYY), preserves lean muscle mass during weight loss, and has high thermic effect

  • Blood glucose: studied
  • Weight: improves
  • Body Fat: improves
  • High-density lipoprotein (HDL): improves
  • Blood Pressure: improves
Grade B for Blood glucose1 study · 2,344 people

Confirmed studies for Protein (Whey/Casein) (titles as PubMed lists them)

Supporting stackListed as additions to the core
Green Tea Extract (EGCG)Amount listed: 250–500 mg EGCG daily (or 3–4 cups green tea)

Catechins increase fat oxidation and thermogenesis by inhibiting COMT and prolonging norepinephrine action

  • Blood Pressure: improves
  • Adiponectin: improves
  • Weight: improves
  • Fat Oxidation: improves
  • Body Fat: improves
Grade C for Blood Pressure6 studies · 88 people

Confirmed studies for Green Tea Extract (EGCG) (titles as PubMed lists them)

CaffeineAmount listed: 100–400 mg daily (adjust based on tolerance)

Stimulates thermogenesis via sympathetic nervous system activation and enhances fat oxidation

Not graded yet

Confirmed studies for Caffeine (titles as PubMed lists them)

Saffron ExtractAmount listed: 88.25–176.5 mg standardized extract daily

Reduces snacking and emotional eating by modulating serotonin pathways and reducing compulsive food cravings

  • Blood glucose: improves
  • Weight: improves
  • Creatinine: improves
  • Triglycerides: improves
  • High-density lipoprotein (HDL): improves
Grade B for Blood glucose6 studies · 624 people
Conjugated Linoleic Acid (CLA)Amount listed: 3–6 g daily

Modulates adipocyte metabolism, promotes lipolysis, and may reduce body fat accumulation

  • Adiponectin: studied
  • Body Fat: improves
  • High-density lipoprotein (HDL): improves
  • Low-density lipoprotein (LDL): improves
  • Weight: improves
Grade D for Adiponectin142 people

Confirmed studies for Conjugated Linoleic Acid (CLA) (titles as PubMed lists them)

Shop the evidence-backed picks

Fullscript collectionMetabolic health: evidence-graded picksOpen on Fullscript

Or shop one supplement

The 2 supplements in this protocol graded A or B. Each opens third-party tested products, matched to the dose above where we can.

  • Grade B
  • Grade B

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How this protocol works

In plain language

Obesity is a complex metabolic condition involving energy imbalance, hormonal dysregulation, and often behavioral factors like emotional eating. While diet and exercise remain foundational, certain supplements can support weight loss by increasing satiety, boosting metabolism, or reducing cravings. These should complement—not replace—lifestyle changes.

  • Glucomannan is a highly effective natural fiber derived from konjac root. When taken with water before meals, it expands dramatically in the stomach (up to 50x its weight), creating a feeling of fullness that reduces food intake. Studies show consistent weight loss of 3-4 lbs over 8 weeks with no diet changes. It also slows carbohydrate absorption and feeds beneficial gut bacteria.
  • Protein Supplementation (whey or casein) supports weight loss in multiple ways: it increases satiety hormones, has the highest thermic effect of any macronutrient (25-30% of calories burned during digestion), and critically helps preserve muscle mass during calorie restriction. Losing muscle slows metabolism—protein prevents this.
  • Green Tea Extract (EGCG) boosts fat burning by inhibiting an enzyme that breaks down norepinephrine, prolonging its fat-mobilizing effects. The combination of EGCG and caffeine is synergistic, increasing 24-hour energy expenditure by 4-5%. Effects are modest but meaningful over time.
  • Caffeine increases metabolic rate and fat oxidation through stimulation of the sympathetic nervous system. It also improves exercise performance, allowing for more intense workouts. Tolerance develops, so cycling (5 days on, 2 off) helps maintain effects.
  • Saffron Extract is particularly useful for emotional or compulsive eating. It works on serotonin pathways to reduce cravings and snacking behavior. Studies in women showed significant reductions in snacking frequency.
  • CLA (Conjugated Linoleic Acid) may help reduce body fat accumulation over time, though effects are modest (about 0.1kg fat loss per week). It works best as part of a comprehensive weight loss program.

Expected timeline: Glucomannan's satiety effects are immediate. Metabolic effects from green tea/caffeine begin within days. Measurable weight loss typically requires 4-8 weeks of consistent use alongside calorie reduction.

Printed from drgrey.ai/protocols/obesity. For education only; not medical advice. Talk to a clinician before starting any supplement.