What is the recommended dose of Guggul?

- **Look for:** Standardized to 2.5-5% guggulsterones (E+Z); Guggulipid® brand; 500-1,000mg per serving - **Avoid:** Non-standardized crude resin; products without guggulsterone content - **Minimum...

Is Guggul safe to take daily?

Guggul is rated "Generally Safe" based on clinical evidence. Always consult your healthcare provider before starting any supplement.

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Ingredient Research

Graded against 173,636 supplements + 177 published clinical interactions, sourced from PubMed, FDA CAERS, openFDA, NIH DSLD

Guggul

MODERATE EVIDENCESupplementLast updated

AVELOR SUMMARY

Guggulsterones from this Ayurvedic resin were hyped as natural cholesterol-lowerers after Indian studies showed 25% LDL reduction. Then a well-designed 2003 JAMA study INCREASED LDL by 5% in American adults. Our research shows the discrepancy may be dietary — guggul appears to work in populations eating high-carb, low-fat diets (India) but fails or worsens lipids in Western diets. The thyroid-stimulating and anti-acne evidence is more consistent. Guggul also has significant drug interactions due to pregnane X receptor (PXR) activation — the same mechanism that makes St. John's Wort dangerous.

WHAT IT DOES

Z-guggulsterone and E-guggulsterone are plant sterols that: (1) activate farnesoid X receptor (FXR) antagonism — modulating bile acid metabolism and cholesterol excretion; (2) activate PXR — inducing CYP3A4 and drug metabolism (this is the drug interaction mechanism); (3) stimulate thyroid by increasing 5'-deiodinase activity (T4→T3 conversion); (4) reduce NF-κB activation — anti-inflammatory; (5) inhibit sebaceous gland lipogenesis — anti-acne mechanism. The PXR activation explains both the diet-dependent lipid effects (PXR regulates lipid metabolism differently in different dietary contexts) and the drug interactions.

OPTIMAL DOSAGE

Look for: Standardized to 2.5-5% guggulsterones (E+Z); Guggulipid® brand; 500-1,000mg per serving
Avoid: Non-standardized crude resin; products without guggulsterone content
Minimum effective dose: 75mg guggulsterones/day
Third-party tested brands: Planetary Herbals, NOW Foods, Himalaya

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SAFETY PROFILE

Critical Interactions (Do Not Combine Without Medical Supervision)

Moderate Interactions (Monitor Closely)

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Independently graded against 173,636 indexed supplements with 177 published clinical interactions, sourced from PubMed, FDA CAERS, openFDA, and NIH DSLD | Last updated:

Not medical advice. Based on published clinical research and systematic reviews.

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