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
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