Starting low minimizes side effects and allows the body to adapt
It is a prevalent condition in clinical practice characterized by hepatocellular dysfunction, portal hypertension, and associated complications
A separate overview of leading GLP-1 weight loss programs for 2026 offers broader category context for consumers comparing telehealth access models
Here is a list of potential side effects associated with metformin: Nausea Vomiting Diarrhea Abdominal discomfort or cramping Loss of appetite Lactic acidosis (a rare but serious side effect): weakness, unusual muscle pain, trouble breathing, dizziness, lightheadedness, fast or slow heart rate Vitamin B12 deficiency with long-term use Metallic taste in the mouth Hypoglycemia (low blood sugar), especially when used with other diabetes medications Skin reactions: rash, itching, redness Changes in taste perception Respiratory issues: shortness of breath Liver problems: elevated liver enzymes Individual reactions to metformin can vary, and not everyone will experience these side effects
Sun protection prevents: New pigmentation Dark spots from returning Uneven skin tone Skipping sunscreen can reverse all progress
Trial STEP 2 (Davies et al., Lancet 2021) Design Phase 3 / 68 weeks Population 1,210 adults with T2D and overweight or obesity Key result -9.6% body weight (2.4 mg) vs -3.4% placebo