HCU Support, Research & Resources

Are you or a loved one managing Classical Homocystinuria (HCU)? The flok app can help.

Support Daily Nutrition

Look up protein and methionine content for 10,000+ foods
Manage formula intake
View trends in blood homocysteine levels & other labs

Track Activity & Symptoms

Record physical activity and biometrics by pairing wearable tech
Track symptoms like headaches, brain fog, fatigue, or mood changes

Understand Your Health

Get a full picture of your metabolic health
Create detailed health reports to share with care teams
Contribute to flok Research in-app to improve scientific understanding of Classical HCU

"There’s so much we don’t know about how the low-protein diet and medical formula affect us long-term. A tool like the flok app will offer a holistic view so we can correlate what we’re eating with our mood and other symptoms.”

– Danae Bartke, adult with Classical HCU and Executive Director of HCU Network America

Get Started Today

HCU Treatments, Research & Connection Opportunities

Classical Homocystinuria (HCU) is an inherited condition of protein metabolism that affects how the body processes the amino acid methionine. Managing diet, medical formula, medications, and labs are key to long-term health. flok brings the tools and community you need into one supportive hub.