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Need Help or want to give your feedback?

Whether you’re having trouble with your account, or would like to make a suggestion, Canadian Blood Services offers you quick and convenient options to troubleshoot or get in touch. Contact us via live chat, consult our FAQ, send an email, or give us a call at 1 888 2 DONATE (1-888-236-6283).

Can I Donate?

Ready to Give Life? Start Here.

The ABCs of Eligibility

For more eligibility criteria listed alphabetically, click here.

Thanks for taking the first step to Give Life!

You'll find great information on criteria on the ABC's page and the best place to start is the eligibility quiz.

Not sure about how the whole donation process works? Check it out on this page.

At the time of your donation, you will be asked these questions again as well as a number of other questions that are included as part of the donor questionnaire.

For First Time Donors:

To donate blood for the first time you must be:

  • In good general health, feeling well and able to perform your normal activities
  • At least 17 years old
  • Meet our height and weight requirements if you are between 17 and 23 years old. Use our chart below to determine if you are ready to donate.


Are you between 17 and 23 years old? Check out our chart below.


Book an Appointment


For Returning Donors:

Recent Changes to Donation Criteria

First, check out this page to see if there is anything new that might be for you!.

How often can I donate?

It depends on the type of donation you’re making:

  • Every 56 days for whole blood for males, every 84 days for females
  • Every 7 days for plasma
  • Every 14 days for platelets


Book an Appointment


On the day of your donation, it is important that you have eaten and had adequate sleep.

Remember: if you do not meet the requirements today, there are lots of other ways to get involved with Canadian Blood Services. Plus, you can always check in with us again to see if your eligibility has changed.

Still need a bit more info? Sign up to learn more about blood donation.

Learn more

Can I donate to Canadian Blood Services if I’m from Quebec?

Residents of Quebec can donate at any Canadian Blood Services clinic, although we do not operate clinics within the province. If you make a blood donation to Héma-Québec within Quebec, your donation will be acknowledged as part of your Canadian Blood Services donation count. Learn more about Héma-Québec.