Nutrients
Homocysteine blood test
Homocysteine is an amino acid linked to cardiovascular risk; elevated levels often reflect low B vitamins (B6, B9, B12).
Cost of the Homocysteine test alone at Quest
Order it on its own
via Quest's consumer site, questhealth.com
$81
Price includes Quest's $6 physician service fee. Verified June 2026 — source.
Packages that include Homocysteine
Homocysteine comes included in 6 health-testing packages we track — often alongside dozens of other biomarkers.
Superpower
Basic
Lowest price$199
59 biomarkers
WHOOP Advanced Labs
Advanced Labs (Annual)
$349
65 biomarkers
Function Health
Annual Membership
$365
128 biomarkers
Vitals Vault
Max
$399
58 biomarkers
Everlywell
Everlywell 360
$399
70 biomarkers
Parsley Health
Complete Membership
$1549
41 biomarkers