A landmark review published in Clinical Obesity (Urbina et al., 2025) has provided the "what": GLP-1 users are suffering from severe deficiencies in Vitamin D, Iron, B12, and protein
Harrison DJ et al
Fix: Start with 2030 mcg/day and assess tolerance over 12 weeks
Every Other Day of the Week Oral glutathione may be taken at any time, as alendronate's short window of gastrointestinal presence is over
Without a companion program, its possible to end up with sarcopenic obesity and a higher body fat composition than before starting the meds up to 40% of weight loss can be muscle
Some common GLP-1 medications include: Semaglutide (brand names include Ozempic, Wegovy) Liraglutide (brand names include Saxenda, Victoza) In clinical trials, these medications have shown an average weight reduction of around 10-15% of body weight, depending on the dose and duration