The problem
The popularity of GLP-1's has been historic, with millions of people excited to shed unwanted weight. And while yes, GLP-1 medications are effective. There are side-effects that are far less glamorous and often unknown to many users.
Your body is going through big changes, and many people notice these uncomfortable side-effects:
This isn't random, and it's not a sign you're doing something wrong. GLP-1s slow digestion and reduce how much you eat. That combination drains specific nutrients your body needs. Here's the research, and how to support your body through it.
The research
Why This Happens
You're eating less, so you're absorbing less. Research suggests many GLP-1 users fall short on key nutrients such as calcium and iron as they eat less (Clinical Obesity, 2026).
You're losing muscle, not just fat. A 2025 study in Obesity Pillars found GLP-1 users lose muscle mass alongside fat mass, since the drugs don't tell the difference.
Deficiencies are common, not rare. A 2026 review in Clinical Obesity found that GLP-1 therapy is associated with meaningful nutritional deficiencies, though most of the data are observational.[2]
Your gut bacteria are adjusting too. A 2026 review in the Canadian Journal of Physiology and Pharmacology notes that gut microbiome changes seen with GLP-1 use appear to be driven mainly by changes in diet and weight, and calls for more research on how they relate to digestive symptoms.[3]
Bottom line: stomach issues and muscle loss are well-documented with these medications, and lower nutrient intake may contribute to fatigue.
The formula
How to Support Your Body Through It
2025 nutrition guidelines for GLP-1 users call out two priorities: preventing nutrient deficiencies and preserving muscle and bone mass.[4] The GLP-1 Support Bundle is built around gut, mineral and metabolic support, with three products aimed at what GLP-1s disrupt most.
One clarification: berberine is sometimes marketed as a natural alternative to weight-loss medications. That's not the claim here. Berberine works through its own separate mechanism and isn't a substitute for any prescription treatment. As with any supplement, check with your doctor before adding it to your routine, especially if you're taking other medications.
Why it matters
What to Expect, and When
Individual results vary, but here's a general pattern many people report:
GLP-1s work. But the research is clear: they come with a nutritional cost most people never hear about. Supporting your gut, your minerals, and your metabolism alongside the medication isn't about undoing the results. It's about staying functional enough to finish the journey.
Transparency
Before You Start
This article references third-party, peer-reviewed research on GLP-1 receptor agonists in general. The GLP-1 Support Bundle itself has not been clinically tested in combination with GLP-1 medications. Individual results may vary.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
If you are taking medications, consult your doctor before taking this product.
Sources
- Chen A, Zhao K, et al. Glucagon-like peptide-1 receptor agonists and gastric emptying time: a systematic review and meta-analysis of prospective studies. Canadian journal of anaesthesia = Journal canadien d'anesthesie. 2026. PubMed
- Urbina J, Salinas-Ruiz LE, et al. Micronutrient and Nutritional Deficiencies Associated With GLP-1 Receptor Agonist Therapy: A Narrative Review. Clinical obesity. 2026. PubMed
- Johnson A, O'Sullivan E, et al. The potential for complex interplay between GLP-1 receptor agonists, gut microbiome, and obesity management. Canadian journal of physiology and pharmacology. 2026. PubMed
- Mozaffarian D, Agarwal M, et al. Nutritional priorities to support GLP-1 therapy for obesity: a joint Advisory from the American College of Lifestyle Medicine, the American Society for Nutrition, the Obesity Medicine Association, and The Obesity Society. The American journal of clinical nutrition. 2025. PubMed
- de Baaij JH, Hoenderop JG, et al. Magnesium in man: implications for health and disease. Physiological reviews. 2015. PubMed
