Understanding how to take supplements correctly can greatly enhance their effectiveness:, 1. Glutathione: For optimal absorption, take glutathione on an empty stomach. Pair it with vitamin C, as this NOW Glutathione Supplement, 500 mg, 30 Veg Capsules, Detoxification, Immune Support Walmart.com The timing and how you take your daily supplements make all the difference in how well your body absorbs them. Factors like stomach acidity, fat in your meal and interaction with other Should you eat before taking your supplement? The short answer is: it depends! While some supps serve your body better on an empty stomach, others settle best alongside food. Our