r/Function_Health is a subreddit with 7k members. The most common kinds of discussions are solution requests and pain & anger, and the community frequently discusses health, function health, function, test, and results, and they frequently recommend/review cookbook.
A place to discuss everything Function Health. The first-ever membership to bring together your health history with starting with 160+ lab tests detecting 1000+ conditions.
Popular Themes in r/Function_Health
#1
Solution Requests
: "Looking for Function Health referral"
1 post
#2
Pain & Anger
: "Biological age raised 8.9 years over six months..."
1 post
Popular Topics in r/Function_Health
#1
Health
: "Function Health Labs mixed up my data with a stranger's — serious privacy violation or am I overreacting?"
64 posts
#2
Function Health
: "Did anyone see this crazy switch offer for Function Health users?"
47 posts
#3
Function
: "Function Health Labs mixed up my data with a stranger's — serious privacy violation or am I overreacting?"
29 posts
#4
Test
: "Function Health Labs mixed up my data with a stranger's — serious privacy violation or am I overreacting?"
29 posts
#5
Results
: "Function Results Question"
22 posts
#6
Biological Age
: "Biological Age"
10 posts
#7
Blood
9 posts
#8
Blood Work
9 posts
#9
Test Results
: "Results are in…"
8 posts
#10
Labs
7 posts
Products Discussed in r/Function_Health
Cookbook
1 review
#1
Michael Greger
5.0★ from 1 review
Flair Used in r/Function_Health
#1
Results
: "Thanks FH"
71 posts
#2
Customer Support
: "BEWARE: Function Health does NOT provide valid itemized receipts for FSA (Inspira rejected mine) and their customer support is useless"
53 posts
#3
Health and Wellness
: "Anyone else's doctor seems offended or confused by Function Health Tests?"
29 posts
#4
Testimonial
: "I discovered I had prostate cancer at 35."
14 posts
#5
Functional Medicine
: "Last week I posted about creating a database of doctors that are willing to dive into function test results, here is a list I started building."
14 posts
#6
Health Issues
: "All my LDL levels are high - anyone else dealing with it too?"
7 posts
#7
Longevity
: "This makes me feel good"
5 posts
#8
Verified Testimonial
: "Function Health Labs mixed up my data with a stranger's — serious privacy violation or am I overreacting?"
2 posts
#9
Biohacking
: "More Tests!?!"
1 post
Member Growth in r/Function_Health
Yearly
+4k members(126.5%)
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About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/Function_Health, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: September 7, 2026