
Challenge idea · RDW (Red Cell Distribution Width)
The RDW (Red Cell Distribution Width) check-in challenge
Get a starting RDW (Red Cell Distribution Width) number, follow your own routine with friends, retest, and compare how your numbers changed.
How it works
- 1
Get your starting RDW (Red Cell Distribution Width)
Everyone logs a recent test result before day one. Any result from the 60 days before the start counts.
- 2
Follow your own routine
Each person picks the health practices they want to track. Nobody has to do the same thing.
- 3
Retest and compare
At the end, everyone retests RDW (Red Cell Distribution Width) and the group sees how each person’s numbers changed.
Why RDW (Red Cell Distribution Width)?
What it is
RDW measures how much your red blood cells vary in size. A higher RDW can be an early sign of low iron, B12, or folate, and is linked with overall health and aging.
Getting tested
Find ways to test RDW (Red Cell Distribution Width), from lab services to devices, on its BioSocial page.
Your data stays yours
Joining a challenge never changes who can see your health data. You choose what to share.
You can change the name, dates and who can join before it starts. For informational purposes only. Not medical advice.
Ready to test together?
It takes about two minutes to set up and share the link.
Start a RDW (Red Cell Distribution Width) challenge