30-40 mmHg Compression Socks
Our firmest compression level, recommended by clinicians for moderate to severe POTS symptoms. 30-40 mmHg graduated compression provides maximum support for blood pooling, orthostatic intolerance, and venous insufficiency.
Clinician Recommended
30-40 mmHg is the compression level most often recommended by cardiologists and POTS specialists for moderate to severe symptoms.
Maximum Blood Flow Support
Firm graduated compression significantly reduces blood pooling in the lower extremities when standing or sitting.
FSA/HSA Eligible
Medical-grade compression qualifies for FSA and HSA reimbursement with a prescription from your provider.
Shop 30-40 mmHg Compression
When to Choose 30-40 mmHg Compression
Recommended For:
- Moderate to severe POTS symptoms
- Significant blood pooling when standing
- When 20-30 mmHg isn't providing enough relief
- Chronic venous insufficiency
- Post-surgical recovery (as directed)
30-40 vs 20-30 mmHg
The main difference is compression strength. 30-40 mmHg provides firmer pressure that's more effective for severe symptoms but requires more effort to put on. Many POTS patients start with 20-30 mmHg for daily wear and use 30-40 mmHg for higher-symptom days or extended standing.
Read our compression level guide