ASTRA

Sermorelin guide 路 Updated November 3, 2026

What happens when you stop sermorelin?

What little research exists on stopping sermorelin, and what to discuss with your provider.

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The short answer

You can stop when you and your provider decide to, and you can cancel your plan at any time. What happens to your body afterward has barely been studied. In one small study of older men, IGF-1 stayed above baseline 2 weeks after stopping, and we did not find long-term research after that. Any effect tied to treatment may fade, but no good data say how quickly.

What makes stopping simple

Cancel any time

The subscription terms explain how, and when renewals happen.

Ask your care team

You can message them about how to stop and whether follow-up labs make sense.

No lock-in on monthly

The monthly plan is billed one month at a time.

Thinking about starting?

A licensed US provider reviews your visit first, with a full refund if it is not prescribed.

Start your sermorelin visit

What the evidence shows

SourceWhat it foundLimit
Corpas, 1992, via this reviewIGF-1 stayed above baseline 2 weeks after stopping10 older men, short treatment periods
Khorram, 1997IGF-1 returned toward baseline by week 16, even during treatmentSuggests the rise may not hold over time; 19 adults on a related analog

Sermorelin works through the pituitary and normal feedback (Walker, 2006), which is different from taking HGH directly. See sermorelin vs HGH. That design argument does not tell you what you will notice when you stop.

Before you stop

  • Tell your provider why you want to stop, such as cost, side effects or no benefit
  • Ask whether follow-up labs make sense
  • Check your billing date and how to cancel in the subscription terms
  • Report any unexpected symptoms rather than assuming they are related

Common questions

Are sermorelin results permanent?

No evidence shows they are. The studies we reviewed were short and did not follow people long after treatment ended.

Do I need to taper off sermorelin?

We found no research on tapering. Ask your provider how to stop in your situation.

Will my body stop making growth hormone?

We found no study showing this happens after sermorelin, but long-term data are lacking. Discuss any concern with your provider, and see is sermorelin safe?.

Can I restart later?

A provider would need to review your health again. Refills and restarts depend on your provider's decision.

Safety at a glance

Reported side effects include flushing, injection site pain or irritation and mild headache. Sermorelin is not recommended in pregnancy or breastfeeding, active cancer or certain pituitary conditions, and long-term safety in adults has not been established. It is prohibited in tested sports. Read is sermorelin safe? for sources and details.

Keep reading

More guides: FDA status and legality 路 Sermorelin vs tesamorelin 路 Providers compared 路 Sermorelin for women 路 Sermorelin and weight loss 路 Sermorelin vs CJC-1295 路 Sermorelin vs HGH 路 Sermorelin and sleep 路 Sermorelin with GLP-1s

Sources

Published by Astra, which offers sermorelin. This guide is educational and is not medical advice. Compounded medications are not FDA-approved and are not reviewed by the FDA for safety, effectiveness or quality.

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