Irvingia Gabonensis Igob131
Also known as: African mango, bush mango, dika nut, IGOB131, Irvingia gabonensis
Overview
Irvingia gabonensis, commonly known as African mango, is a West African tree whose seeds are processed into a standardized extract called IGOB131. This supplement is primarily marketed for weight management and improving metabolic health. Traditionally, the plant has been used in African medicine for various ailments including neurodegenerative disorders, infections, and detoxification. Modern research focuses on its potential to reduce body weight, improve lipid profiles, and enhance insulin sensitivity. While several randomized controlled trials (RCTs), systematic reviews, and meta-analyses exist, the research maturity is moderate, with studies typically having small sample sizes and short durations (mostly up to 12 weeks). Despite some methodological limitations, the evidence generally indicates statistically significant benefits in weight and metabolic parameters.
Benefits
Irvingia gabonensis IGOB131 has demonstrated several evidence-based benefits, primarily in weight management and metabolic health. The most prominent benefit is significant weight loss, with studies reporting reductions ranging from approximately 4 to 12 kg over 4 to 10 weeks, consistently showing statistical significance (p < 0.05) across multiple RCTs. It also leads to reductions in body fat percentage and waist circumference. Beyond weight loss, secondary benefits include improvements in total cholesterol, LDL cholesterol, and fasting blood glucose levels. Mechanistically, it may modulate adipogenesis-related genes, downregulating PPARγ and leptin, and upregulating adiponectin. These benefits are mainly observed in overweight and obese adults. The effect sizes for weight loss are considered moderate to large, suggesting clinical meaningfulness, though larger and longer trials are needed for confirmation. Benefits typically manifest within 4 to 12 weeks of consistent supplementation.
How it works
Irvingia gabonensis seed extract, particularly the standardized IGOB131, appears to exert its effects through multiple mechanisms. It influences adipogenesis by regulating genes involved in fat cell differentiation and metabolism, specifically downregulating peroxisome proliferator-activated receptor gamma (PPARγ) and leptin, while upregulating adiponectin. These actions contribute to reduced fat storage and improved insulin sensitivity. The extract also possesses antioxidant properties, which may help reduce oxidative stress implicated in metabolic syndrome and neurodegenerative disorders. Furthermore, it is thought to inhibit carbohydrate and lipid absorption in the gut, thereby contributing to improved lipid profiles and blood glucose control. While the exact bioavailability specifics are not extensively documented, the use of standardized extracts like IGOB131 aims to ensure consistent levels of active compounds for reproducible effects.
Side effects
Irvingia gabonensis is generally considered possibly safe for short-term use, typically up to 12 weeks, at recommended doses. Common side effects are usually mild and infrequent, reported in less than 5% of users, and include flatulence, headache, insomnia, and nausea. No significant serious adverse events have been reported in controlled clinical trials. However, caution is advised regarding potential drug interactions. Irvingia gabonensis may lower blood sugar levels, which could lead to hypoglycemia if combined with antidiabetic medications. It may also potentially increase testosterone levels, necessitating caution if used concurrently with testosterone therapy. Contraindications include pregnancy and breastfeeding due to insufficient safety data. It is also recommended to discontinue use prior to surgery due to its potential effects on blood sugar.
Dosage
The minimum effective dose for Irvingia gabonensis IGOB131 is approximately 150 mg, taken twice daily. This dosage has been consistently used in randomized controlled trials demonstrating efficacy. The optimal dose range for IGOB131 is 150 mg twice daily for up to 12 weeks. While some studies have used higher doses of crude extracts, the standardized IGOB131 is preferred for its consistent active compound profile and reproducible effects. The maximum safe dose beyond the studied durations and amounts is not well-defined, and long-term safety data are currently lacking. The supplement is typically taken orally, and while specific timing relative to meals is not clearly established, it can be taken with or without food. The preferred form is a standardized seed extract (IGOB131) to ensure consistent potency. There are no specific cofactors or enhancers documented to improve its absorption, and bioavailability data are limited.
FAQs
Is Irvingia gabonensis effective for weight loss?
Yes, evidence from multiple randomized controlled trials and meta-analyses supports significant short-term weight loss and metabolic improvements, typically over 4 to 12 weeks.
Is it safe?
It is generally considered safe for short-term use with mild side effects. However, caution is advised if you are taking diabetes medications or hormone therapies due to potential interactions.
How long until results appear?
Weight loss and metabolic benefits typically begin to emerge within 4 to 12 weeks of consistent supplementation.
Can it be used long-term?
Long-term safety and efficacy of Irvingia gabonensis are not yet established. More extensive and longer-duration trials are needed to confirm its effects beyond 12 weeks.
Does it interact with medications?
Yes, it can interact with antidiabetic drugs, potentially causing low blood sugar, and may affect testosterone levels. Medical supervision is recommended if you are on medication.
Research Sources
- https://www.jscimedcentral.com/public/assets/articles/publichealth-11-1130.pdf – This study investigates the mechanistic actions of Irvingia gabonensis, showing its role in downregulating PPARγ and leptin genes while upregulating adiponectin, which are crucial for fat cell differentiation and metabolism. These findings provide a molecular basis for the observed clinical benefits in weight management.
- https://pubmed.ncbi.nlm.nih.gov/31855111/ – This systematic review and meta-analysis synthesized data from multiple RCTs, concluding that Irvingia gabonensis supplementation leads to significant weight loss (4-12 kg) and improvements in lipid and glucose parameters. The review highlights the consistency of these effects across different studies, despite some heterogeneity in dosages and study designs.
- https://cufind.campbell.edu/en/publications/african-mango-irvinga-gabonensis-extract-for-weight-loss-a-system – This systematic review, likely from CU FIND, confirms consistent weight loss and improved metabolic markers with Irvingia gabonensis supplementation. It notes the presence of few adverse events, reinforcing the supplement's favorable short-term safety profile, though it also points out the limited number of studies and short-term data available.
- https://www.webmd.com/vitamins/ai/ingredientmono-1252/irvingia-gabonensis – This source provides a comprehensive overview of Irvingia gabonensis, focusing on its safety profile, common side effects, and potential drug interactions. It emphasizes the 'possibly safe' classification for short-term use and details specific warnings regarding antidiabetic medications and pregnancy, offering practical safety guidelines.
