ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2025 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
Back

Proprietary Weight Loss Support Blend

Also known as: Weight Loss Support Blend, Dietary supplements for weight management, Proprietary Weight Loss Support Blend

Overview

Proprietary Weight Loss Support Blends are dietary supplements formulated with multiple ingredients to aid in weight management. The exact composition varies significantly between products, but common components include Phaseolus vulgaris (white kidney bean extract), caffeine, green tea extract (GTE), glucomannan, capsaicinoids, choline, and green coffee bean extract (GCBE). These blends aim to support weight loss through various mechanisms such as inhibiting carbohydrate absorption, increasing thermogenesis, suppressing appetite, and enhancing metabolism. While individual ingredients often have a research basis, the efficacy and safety of specific proprietary blends as a whole are less studied due to their variable compositions and lack of transparency. They are generally derived from natural sources like beans, tea leaves, coffee beans, and chili peppers.

Benefits

Several ingredients commonly found in these blends offer evidence-based benefits for weight management. *Phaseolus vulgaris* supplementation, acting as an alpha-amylase inhibitor, has shown a statistically significant average weight loss of approximately 1.08 kg and a body fat reduction of about 3.26 kg in meta-analyses of randomized controlled trials. Caffeine, green tea extract, and choline have demonstrated metabolic benefits, including modest weight loss, improved glucose and lipid profiles, and blood pressure reduction in overweight/obese populations. While individual ingredients show promise, multicomponent interventions combining physical activity and nutrition typically yield larger weight loss (3.5 to 4.8 kg) over short to medium terms, suggesting that supplements alone have modest effects compared to comprehensive lifestyle changes. Even modest weight loss (less than 5% of body weight) can improve cardio-metabolic and psychosocial markers.

How it works

*Phaseolus vulgaris* functions as an alpha-amylase inhibitor, which reduces the digestion and absorption of starches, thereby decreasing caloric intake from carbohydrates. Caffeine and green tea extract stimulate the sympathetic nervous system and release catecholamines, leading to increased thermogenesis (heat production) and fat oxidation. Glucomannan, a dietary fiber, forms a viscous gel in the digestive tract, promoting satiety and reducing overall caloric intake. Capsaicinoids, found in chili peppers, increase energy expenditure and fat oxidation by activating transient receptor potential vanilloid 1 (TRPV1) receptors. Choline supports lipid metabolism and liver function, potentially enhancing the mobilization of fats for energy.

Side effects

Proprietary Weight Loss Support Blends are generally considered safe when used at recommended dosages, with serious adverse events being rare. Common side effects often involve gastrointestinal discomfort, such as bloating, gas, and abdominal pain, particularly with fiber-rich ingredients like glucomannan and *Phaseolus vulgaris*. Blends containing caffeine may induce side effects like jitteriness, insomnia, increased heart rate, and anxiety in sensitive individuals. Potential drug interactions exist, especially with stimulant medications or drugs metabolized by the liver. Contraindications include pregnancy, breastfeeding, and certain pre-existing medical conditions such as cardiovascular disease, depending on the specific ingredients present in the blend. It is crucial to consult a healthcare professional before use, especially for individuals with underlying health issues or those taking other medications.

Dosage

Dosage recommendations for proprietary blends are challenging due to their variable compositions. However, guidelines for common individual ingredients can be considered. For *Phaseolus vulgaris* extract, studies have typically used doses ranging from 1,000 to 3,000 mg per day. Caffeine doses for metabolic effects generally fall between 100 and 400 mg per day, aiming to avoid adverse effects. Green tea extract studies often use doses providing 100 to 300 mg of EGCG daily. Glucomannan is typically effective at approximately 3 grams per day, divided and taken before meals. It is essential to follow the manufacturer's specific instructions for any proprietary blend and to be aware that the efficacy and safety of a blend depend on the quality and quantity of each active ingredient, which is often not fully disclosed.

FAQs

Are proprietary blends effective for weight loss?

Evidence supports some individual ingredients, but the efficacy of blends as a whole is limited due to variability and lack of specific clinical trials on the blends themselves. Effects are generally modest.

Are these blends safe to use?

Generally, they are safe when taken as directed, but individual sensitivities and potential interactions with medications should be considered. Gastrointestinal discomfort and caffeine-related side effects are possible.

How quickly can I expect to see results?

Weight loss effects from these supplements are typically modest and observed over weeks to months. They are not a quick fix and work best as part of a broader lifestyle change.

Can these supplements replace diet and exercise for weight loss?

No, these supplements are intended as adjuncts. They are most effective when combined with a healthy diet and regular physical activity, not as a replacement for them.

Research Sources

  • https://pmc.ncbi.nlm.nih.gov/articles/PMC5920428/ – This meta-analysis of 11 randomized controlled trials (RCTs) found that *Phaseolus vulgaris* supplementation led to a statistically significant average weight loss of 1.08 kg and a fat loss of 3.26 kg. The study concluded that white kidney bean extract can be an effective adjunct for weight and fat reduction, with a high quality of evidence and low risk of bias.
  • https://www.cdc.gov/pcd/issues/2024/23_0347.htm – This systematic review with sensitivity analysis highlighted that multicomponent interventions, including physical activity and nutrition, result in significant weight loss (3.5 to 4.8 kg) over short to medium terms. It also noted that supplements alone are generally less effective than comprehensive lifestyle changes, emphasizing the importance of a holistic approach to weight management.
  • https://www.nature.com/articles/s41366-024-01664-7 – This review discusses that even modest weight loss, defined as less than 5% of body weight, can lead to improvements in cardio-metabolic and psychosocial markers. It underscores that the magnitude of benefit from weight loss interventions depends on the type and duration of the intervention, suggesting that any sustained weight reduction is beneficial.
  • https://pmc.ncbi.nlm.nih.gov/articles/PMC9099655/ – This narrative review and meta-analysis examined various metabolic enhancers, including caffeine, green tea extract, choline, glucomannan, and capsaicinoids. It concluded that these ingredients are generally safe and can improve metabolic markers, including modest weight loss, improved glucose and lipid profiles, and blood pressure reduction in overweight/obese populations, though long-term data is limited.

Supplements Containing Proprietary Weight Loss Support Blend

Morning Tablets by Femiwell
68

Morning Tablets

Femiwell

Score: 68/100
Afternoon Drink Mix Natural Citrus & Fruit Flavor by Femiwell
73

Afternoon Drink Mix Natural Citrus & Fruit Flavor

Femiwell

Score: 73/100

Recommended Articles

Top Fertility Supplements for Women in 2025

Top Fertility Supplements for Women in 2025

By 2025, new FDA-approved fertility supplements, emphasizing organic ingredients, have shown significant effectiveness in aiding conception for women in their 30s.

Barcode-Scanner Apps & Supplements: A Reality Check

Barcode-Scanner Apps & Supplements: A Reality Check

Barcode-scanner supplement apps vary in accuracy, especially with proprietary blends, but advancements are improving their reliability.

Legal Pre-Workout Supplements for Athletes

Legal Pre-Workout Supplements for Athletes

Legal pre-workout supplements like those with caffeine, beta-alanine, and creatine can safely enhance athletic performance without failing doping tests.

Top Testosterone Boosters for Cyclists: A Buyer's Guide

Top Testosterone Boosters for Cyclists: A Buyer's Guide

For cyclists, choosing testosterone boosters involves finding scientifically-backed, third-party tested products, with top picks including brands like TestoGen and Prime Male.