Keto results after exactly 30 days — realistic numbers

Real numbers from my experience and watching others do this over 4 years:

Week 1: 5-10 lbs (mostly water and glycogen). This is real weight leaving your body but it's not fat — it's water that was stored with glycogen (roughly 3g water per 1g glycogen). Don't get too excited, don't get deflated when it slows down.

Weeks 2-4: 1-2 lbs actual fat per week if you're maintaining a reasonable calorie deficit. Some people lose 3-4 lbs per week, some lose 0.5 lbs. Depends on starting weight, deficit, activity, hormones, sleep.

Realistic 30-day total: 10-18 lbs for most people. The bottom end (10-12 lbs) is more typical for women and smaller people. The top end (15-18 lbs) is more typical for heavier men with more water weight to shed.

My month one: 16 lbs. Started at 247 lbs male. The first week was 9 lbs (water), then 7 more lbs of actual fat over the next 3 weeks. Months 2-3 averaged about 8-10 lbs each — smaller but those were entirely real fat.

My month one: 9 lbs. Started at 163 lbs female, 44 years old. 5 lbs week one (water), 4 lbs over remaining 3 weeks. Modest by some standards but every pound has stayed off for 6 months now. Slow and steady is fine.

Important thing I wish someone told me: the number on the scale doesn't tell the full story in month one. Take measurements — waist, hips, chest, arms, thighs — on day 1 and day 30. Many people lose inches noticeably even when the scale seems stuck. Body recomposition is happening even when weight loss seems slow.

10-18 lbs is a very motivating target for one month. And the point about measurements is well-taken — I'll take those before I start. Starting in 2 days. Thank you all.