The Science Behind Brevva

We believe in full transparency. Every recommendation we make is grounded in peer-reviewed research. Here's the evidence.

Our Principles

Evidence-Based

Every recommendation is backed by peer-reviewed research. We cite our sources so you can verify.

Safety First

We only recommend supplements with established safety profiles and no known interactions with GLP-1 medications.

Full Transparency

No proprietary blends, no hidden ingredients. You know exactly what you're taking and why.

Regularly Updated

As new research emerges on GLP-1 nutrition, we update our recommendations and notify our community.

Key Research

Muscle Loss During GLP-1 Treatment

Up to 39% of total weight lost on semaglutide was lean body mass in the STEP 1 trial.

New England Journal of Medicine, 2021

Protein Requirements During Weight Loss

Higher protein intake (1.2g/kg) preserves 2x more lean mass compared to standard protein (0.8g/kg) during caloric restriction.

American Journal of Clinical Nutrition, 2020

Micronutrient Deficiency in Rapid Weight Loss

Patients losing >10% body weight show significantly increased rates of B12, D, and iron deficiency.

Obesity Reviews, 2022

Creatine for Muscle Preservation

Creatine supplementation during caloric restriction improved lean mass retention by 25% compared to placebo.

Journal of the International Society of Sports Nutrition, 2021

Evidence-Based Guides

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