Expert Q&A

Upped to 1 mg 2 weeks ago. As the weeks go by, will my appetite suppression increase while doing intermittent fasting

How Semaglutide Affects Appetite Over Time

When you increase to 1mg of semaglutide, many experience noticeable appetite suppression within the first two weeks. However, this effect often continues to build gradually over the following 4-8 weeks as your body adapts. Clinical observations show that full receptor sensitization to GLP-1 agonists like semaglutide can take up to 8-12 weeks at a stable dose. This means your hunger signals may diminish further, making intermittent fasting feel more sustainable as the weeks progress.

In my work with patients aged 45-54 facing hormonal shifts, I've seen that women in perimenopause and men with declining testosterone often report 20-30% greater reduction in daily caloric intake by week 6-8 on 1mg. This isn't magic—it's the medication helping reset your brain's set point for hunger hormones like ghrelin.

Combining 1mg Semaglutide with Intermittent Fasting

Intermittent fasting, particularly a 16:8 or 18:6 window, pairs effectively with semaglutide because the medication already slows gastric emptying. As appetite suppression increases, most find it easier to extend fasting periods without the intense hunger that doomed previous diets. Start conservatively: if you're new to fasting, maintain a 14:10 window initially while your dose stabilizes.

Expect joint pain to improve indirectly as inflammation decreases with weight loss—many report being able to walk 30 minutes daily by month two without exacerbating knee or back issues. For those managing diabetes and blood pressure, blood sugar stabilization from both the medication and fasting often allows reductions in other meds under physician guidance.

What to Expect Week by Week on 1mg

Weeks 3-4: Appetite suppression typically plateaus or slightly increases. You may notice fewer cravings during your eating window. Track this in a simple journal—note hunger levels from 1-10 before meals.

Weeks 5-8: Most see progressive strengthening of effects. Average additional weight loss accelerates to 1-2 pounds per week when combined with protein-focused meals (aim for 1.6g per kg of ideal body weight). Avoid complex meal plans; focus on simple swaps like replacing snacks with Greek yogurt or eggs.

If suppression doesn't increase, factors like stress, inadequate sleep (under 7 hours), or insufficient protein intake may be at play. In my book The Midlife Reset Protocol, I outline a straightforward four-phase approach that integrates GLP-1 therapy with lifestyle changes accessible for busy middle-income families.

Practical Tips for Success and Safety

Prioritize hydration—drink at least 80 ounces daily to combat constipation, a common side effect that can blunt appetite benefits. Include resistance exercises 2-3 times weekly using bodyweight or light bands; this preserves muscle and supports metabolic health without aggravating joint pain.

Insurance barriers are real, but many find compounded or savings programs make treatment affordable. Monitor blood pressure and glucose closely—semaglutide plus fasting often improves both within 30-60 days. If side effects like nausea persist beyond week 4, consult your provider about dose adjustments. Consistency beats perfection; even 80% adherence yields transformative results for those who've failed every diet before.

💬 What the Community Says

Users on forums like Reddit's r/Semaglutide and Facebook weight loss groups report mixed but mostly positive experiences with appetite suppression increasing after the 1mg mark. Many in their late 40s to mid-50s say weeks 4-7 brought noticeably stronger effects, making intermittent fasting windows easier to maintain without the gnawing hunger from past attempts. A common theme is initial plateaus followed by a 'click' around week 6 where food noise quiets dramatically. However, a vocal minority notes that suppression leveled off and didn't intensify much further, especially those dealing with high stress or perimenopausal symptoms. Joint pain sufferers appreciate being able to move more comfortably as pounds drop, though some debate optimal fasting ratios. People managing diabetes frequently share improved A1C numbers but caution about insurance coverage struggles and the need for simple routines over complicated plans. Overall, beginners feel hopeful yet wary, seeking reassurance that this time the results will stick.
Clark, R. (2026). Upped to 1 mg 2 weeks ago. As the weeks go by, will my appetite suppression incr. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/upped-to-1-mg-2-weeks-ago-as-the-weeks-go-by-will-my-appetite-suppression-increase-while-doing-intermittent
Russell Clark, FNP-C, APRN, FNP-C, APRN
About the Author

Russell Clark, FNP-C, APRN, is the founder of CFP Weight Loss in Nashville and CFP Fit Now telehealth. Over 35 years in healthcare — Army Nurse Reserves, Level 1 trauma ER, hospitalist — he developed a 30-week protocol integrating real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 30–90 pounds. He and his wife Anne-Marie lost a combined 275 pounds using the same protocol.

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