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Where to send your GNC cancellation letter

Read the addresses on this page next to the full guide to cancelling GNC.

The addresses we hold

If you are writing to GNC, this is the page with the address on it: Pittsburgh, 15222, plus what to write on the envelope and how to prove it arrived.

Where the letter goesMailing address

GNC300 6th AvePittsburgh, PA 15222

GNC takes its post at this Pennsylvania address (ZIP 15222).

How to address the envelope

  1. Write the address as printed

    Write out 300 6th Ave, Pittsburgh, PA 15222 as shown above, including the 15222 postal code, exactly as printed.

  2. Add the return address

    Top-left, your own name and address. A return address is what the post office needs to send the letter back if GNC has moved.

  3. Buy the certified service

    Take the letter to a post office counter and ask for certified mail: you get a postmarked receipt and a delivery record. Keep the tracking number and check it until it shows delivered.

  4. Keep the proof together

    Your copy of the letter, the mailing receipt and the tracking record belong together in one file.

The letter, written out

The letter below asks GNC to end the account, stop further charges and confirm in writing. Put the account email, the plan name and any pending order or prescription reference in the bracketed places.

Sample cancellation letter

[Your name] [Your street address] [City, State ZIP] [Your email address]

[Date]

GNC 300 6th Ave Pittsburgh, PA 15222

To whom it may concern,

I am cancelling my account with GNC, account or member number [number], with effect from [date or "immediately"]. Please end every add-on and linked plan on this account at the same time.

Please stop all future charges to my payment method, remove my stored payment details, and send written confirmation of the cancellation and its effective date to [your email address].

Sincerely, [Signature] [Your printed name]

Let Postbye cancel GNC for you

We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.

Cancel GNC