Swanson NAC N-Acetyl Cysteine 600 mg, 100 Vegan Capsules

Customers find the supplement effective and appreciate its affordability, noting it provides health benefits including liver health and immune system support. Moreover, the product helps with energy levels, particularly for those with chronic fatigue, and improves sleep quality. Additionally, customers report positive effects on mood, feeling more calm and relaxed, and find the pills easy to swallow. However, experiences with side effects are mixed, with some reporting no stomach issues while others experience stomach aches, and opinions on odor vary between no smell and a bad smell.