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TopWeightLoss.us
Wellness8 min read

GLP-1 Weight Loss for Women: 2026 Guide

How semaglutide and tirzepatide work for women: about 15-22.5% average trial loss, hormones and cycles, pregnancy and PCOS safety, and protecting muscle.

Last updated September 15, 2026

Francheska Capistrano, Medical Content Reviewer

Francheska Capistrano, RMT, MPH

Clinically checked · Our review process

Key points

  • GLP-1s work about as well for women as for men: roughly 15% average loss on semaglutide (STEP) and up to about 22.5% on tirzepatide (SURMOUNT).
  • Stop GLP-1 medication at least 2 months before trying to get pregnant. It is not safe during pregnancy or breastfeeding, and weight loss can raise fertility unexpectedly, especially with PCOS.
  • Some women find nausea worse at certain points in their cycle, and perimenopause can change how weight comes off, but the medication still works alongside your hormones.
  • Protect muscle with 80-120 g of protein a day and resistance training 2-3 times a week.

Do GLP-1 medications work as well for women?

Yes. Trials show GLP-1 medications work about equally well for women and men, with average loss of about 15% on semaglutide and up to about 22.5% on tirzepatide in their trials.

That helps explain why GLP-1s are the most discussed weight loss treatment among women in 2026. For women whose weight has resisted dieting, particularly after pregnancy, during perimenopause or with PCOS, these drugs target the biology that makes losing weight hard.

Our 2 favorite GLP-1 providers

The two providers our editors recommend first, with the same checked prices and scores used in our full ranking.

Our Most Popular
1
embody logo

Exceptional

9.8out of 10

Semaglutide from $69/mo, delivered in 1-2 days

Refund if not approvedFree expedited shipping

Treatments offered

Compounded semaglutide injection (GLP-1) · Compounded tirzepatide injection (GLP-1 + GIP) · Online doctor review and prescription · Dose changes through the patient portal

Starting price

$79$69/month

*Compounded medications are not FDA-approved.

  • Semaglutide $69/mo; tirzepatide $119/mo
  • 5-minute questionnaire; doctor review usually within 24 hours
  • Free 1-2 day shipping: cold-packed, tracked and insured
  • No insurance, no clinic visits, cancel anytime

from $69/month

Visit SiteRead full review
3.8Trustpilot(9,604)

embody prescribes compounded semaglutide at $69/mo and tirzepatide at $119/mo online, ships in 1-2 days, and requires no insurance. Trustpilot: 3.8 from 9,604 reviews.

Read full embody review
2
altRx logo

Exceptional

9.7out of 10

Low-cost GLP-1 care: semaglutide from $89/mo

Clear, flat pricingNo insurance needed

Treatments offered

Compounded semaglutide injection (GLP-1) · Compounded tirzepatide injection (GLP-1 + GIP) · Brand-name Ozempic, Zepbound and Wegovy · Once-weekly injection schedule

Starting price

$199$89/month

*Compounded medications are not FDA-approved.

  • Semaglutide from $89/mo; tirzepatide from $149/mo
  • Brand-name Ozempic, Zepbound and Wegovy available
  • Reviewed by a physician, PA or nurse practitioner
  • Free shipping, arriving in about 5-7 days

from $89/month

altRx sells compounded semaglutide from $89/month and tirzepatide from $149/month at a flat price per dose, plus brand-name Ozempic, Zepbound and Wegovy. Self-pay, no insurance needed.

Read full altRx review

Do hormones or your menstrual cycle affect GLP-1s?

They can affect side effects and weight loss patterns, but not whether the medication works. Some women find side effects like nausea a little worse at certain points in their cycle, and the hormonal shifts of perimenopause and menopause can change how weight comes off. GLP-1 medications mimic the body's natural fullness hormones, so they help regulate appetite regardless of where you are hormonally.

Can you take a GLP-1 while pregnant or trying to conceive?

No. GLP-1 medications should be stopped at least 2 months before you try to conceive, and they are not safe while pregnant or breastfeeding.

Some women on GLP-1s have reported unplanned pregnancies, possibly because losing weight can improve fertility, especially with PCOS or hormonal imbalances linked to obesity. If you could become pregnant, talk to your provider about contraception.

Our eligibility guide has the full safety picture.

How much weight do women lose on semaglutide or tirzepatide?

Women on semaglutide in the STEP trials lost roughly 15% of body weight on average, matching or slightly beating the overall trial average. In the SURMOUNT trials, tirzepatide results were higher still. Your own results will depend on starting weight, metabolic health, how consistently you take the medication and lifestyle. Our semaglutide results timeline sets realistic expectations.

Lowest-priced GLP-1 plans

The cheapest published plans, sorted from lowest price, with the terms listed under every price.

Is GLP-1 Treatment Right for You?

GLP-1 medication is prescription-only: a licensed clinician has to decide it is appropriate, and it is not a fit for everyone. Side effects are possible, and they tend to show up in the first few weeks while your body adapts.

Results are usually best when the medication is paired with simple daily habits, such as balanced meals and regular movement.

For both safety and lasting progress, pick a provider that screens you properly before prescribing and keeps following up once treatment starts.

Woman getting a GLP-1 weight loss injection pen ready

What side effects do women get on GLP-1s, and how can you ease them?

Women get the same main side effects as men: nausea, constipation, diarrhea and reduced appetite. They show up most around dose increases and usually ease within 2-4 weeks. What helps:
  • Small meals built around protein.
  • Plenty of fluids.
  • Skipping greasy food.
  • Ginger tea for nausea.
See our side effects guide and nutrition guide.

How can women keep muscle while losing weight on a GLP-1?

Eat 80-120 g of protein a day and do resistance training 2-3 times a week. Women start with less muscle mass than men, so holding on to it during weight loss matters even more.

The aim is not bodybuilding; it is protecting the metabolic rate and strength that help you keep weight off. Our exercise guide has routines to start with.

How should women choose a GLP-1 provider?

Choose based on your goals, your budget and how much support you want. Some women prefer a full program with coaching, such as Noom; others want simple medication access from a provider like altRx or ro. The matching quiz gives a personal recommendation, or you can compare all providers side by side.

Which weight loss provider fits you best?

Our ranking compares the leading providers on price, clinical support and medication choices.

Popular provider matchups

Side-by-side comparisons with checked prices, the ones readers rely on most when choosing.

References and clinical sources

The medication facts on this page rest on FDA guidance and peer-reviewed clinical trials, while prices and plan terms come from what each provider publishes. Use this page as general information, not medical advice, and speak with a licensed clinician before you start any weight loss treatment.

  1. 1.Once-Weekly Semaglutide in Adults with Overweight or Obesity (STEP 1 trial) - New England Journal of Medicine, 2021
  2. 2.Tirzepatide Once Weekly for the Treatment of Obesity (SURMOUNT-1 trial) - New England Journal of Medicine, 2022
  3. 3.FDA Approves New Drug Treatment for Chronic Weight Management (semaglutide / Wegovy) - U.S. Food & Drug Administration, 2021
  4. 4.FDA Approves New Medication for Chronic Weight Management (tirzepatide / Zepbound) - U.S. Food & Drug Administration, 2023
  5. 5.FDA's Concerns with Unapproved GLP-1 Drugs Used for Weight Loss - U.S. Food & Drug Administration
  6. 6.Human Drug Compounding (503A pharmacy standards) - U.S. Food & Drug Administration
  7. 7.Semaglutide Injection - drug information - MedlinePlus, U.S. National Library of Medicine (NIH)