At-home health tests can be a useful starting point for a conversation with your doctor. They can’t diagnose a condition on their own. This page explains the main types, what they can and can’t tell you, and how to use the results wisely.
Start with the basics your doctor can order
Before paying for a specialty test, make sure you’re up to date on the routine checks. In Canada and the US these are often covered:
- Blood pressure, at least once a year (see High Blood Pressure)
- Cholesterol (lipid panel) (see Cholesterol)
- Blood sugar (A1C or fasting glucose) (see Blood Sugar)
- Kidney blood and urine tests if you have diabetes or high blood pressure (see Kidney Health)
- Liver enzymes, iron, B12, vitamin D or thyroid when your symptoms or history call for them
- Age-based cancer screening your doctor recommends
Genetic “wellness” tests: what they can and can’t tell you
- What they do: read small parts of your DNA from a cheek swab or saliva and report on traits and gene variants linked to things like how you process caffeine or certain nutrients.
- What they can’t do: most gene variants only nudge risk a little. A “higher risk” result doesn’t mean you’ll get a condition, and a “normal” result doesn’t rule one out.
- Medical genetic testing is different. If a serious condition runs in your family (for example early heart disease or certain cancers), ask your doctor about a referral to a genetic counsellor rather than relying on a consumer kit.
- Privacy: read how the company stores and shares your genetic data before you order.
Worth knowing: don’t start, stop or change a medicine or supplement based on a home test alone. Take the report to your doctor or pharmacist and decide together.
Check with your doctor or pharmacist before starting anything new, especially if you’re pregnant, nursing, on medication or managing a health condition.
A third-party testing company (affiliate)
At-home genetic test kits, sold by an outside company. Order direct from the lab.
Sponsored link. If you buy through it, Clif may earn a commission at no extra cost to you. The claims on the seller’s page are theirs, not ours, and haven’t been checked by us. It’s not a substitute for seeing your doctor.
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Educational only, not medical advice. This information has not been evaluated by the FDA or Health Canada and is not intended to diagnose, treat, cure, or prevent any disease. Talk to your healthcare provider before starting any remedy, supplement, or detox, especially if you are pregnant, nursing, taking medication, or managing a health condition. Read our full Medical Disclaimer.