Science-backed answers from the research and the community.
Prolonged Fasting
How Much Weight Do You Lose Fasting? Per Day, 24 Hours to 10 Days
1–2 kg (2–4 lbs) a day for the first four days, then 200–400 g of real fat a day. The numbers for a 24-hour, 48-hour, 3, 4, 5, 7 or 10-day fast — and how much comes back.
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White Tongue While Fasting: Why It Happens, and It Clears by Day 4
White tongue while fasting isn't detox or candida — it's ketosis, dry mouth and bacteria. It peaks on days 2–3 and fades from day 4. Here's how to clear it faster.
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Why the Sick Often Fast More Successfully Than the Healthy
Upton Sinclair's 1911 book The Fasting Cure argued the weaker and sicker you are, the more you need to fast. Here's the historical case and what modern science says.
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