Here are some polished title options:
Option 1 (clear and balanced):
7 Foods That May Support Healthy Blood Flow and Heart Health
Option 2 (YouTube-style):
7 Foods With Natural Blood-Thinning Properties You Should Know About
Option 3 (health article style):
Blood-Thinning Foods: 7 Nutrient-Rich Choices and What Science Says
Option 4 (curiosity-driven):
7 Everyday Foods That May Help Support Healthy Circulation
Option 5 (educational):
Want Better Heart Health? Learn About 7 Foods Linked to Healthy Blood Flow
Option 6 (senior-focused):
Over 60? 7 Foods That May Support Circulation and Cardiovascular Health
For accuracy: some foods contain compounds that may have mild effects on platelet function or circulation, but they do not work like prescription blood thinners. People taking anticoagulant medications should speak with a healthcare professional before making major dietary changes.
