About 3:1 FECO THC DOM
FECO 3:1 – Full Extract Cannabis Oil
FECO 3:1 is a high-THC, full-spectrum cannabis oil blended with essential CBD for advanced-stage healing. Ideal for cancer, chronic pain, and autoimmune illness, this potent formula supports daytime function or nighttime relief depending on your blend.
Ratio: 3 Parts Indica THC : 1 Part CBD Type: Full Spectrum FECO (Indica or Sativa Blend Available) Best For: Advanced Cancer, Autoimmune Disorders, Chronic Pain
Originally developed for hospice patients managing end-stage pain, our 3:1 FECO has become King Harvest’s most trusted therapeutic oil. It is formulated with potent THC-dominant cannabis strains and infused with CBD-rich essential oil for immediate symptom relief and lasting biological support.
Why Patients Choose FECO 3:1
- Maximum Potency: High THC levels blended with 25% AC/DC CBD-rich FECO
- Late-Stage Support: Designed for dense tissue cancers (bone, brain, pancreas, etc.)
- Day & Night Options: Sativa-based blends for daytime clarity; Indica for nighttime recovery
- Hospice-Proven: First formulated for terminal care pain management protocols
- Root-Cause Approach: Targets pain, inflammation, cancer cell replication, and more
Common Conditions Addressed
- Glioblastoma and brain tumors
- Pancreatic, liver, and bile duct cancers
- Osteosarcoma and cartilage cancers
- Autoimmune disorders (e.g., lupus, Crohn’s, shingles, Lyme)
- Chronic inflammation and advanced pain
How It Works
This FECO blend combines multiple Indica-dominant THC strains with full-spectrum CBD oil, activating over 100 cannabinoids to engage the endocannabinoid system. The THC penetrates dense or advanced tissue while CBD reduces systemic inflammation, balances immune response, and supports overall recovery.
Strain Lineage
FECO 3:1 is a flower-only extract sourced from trusted medical strains including Girl Scout Cookies, Cotton Candy, GrandDaddy Purple, Purple Kush and related cultivars known for their powerful sedative and anti-tumor properties.
Functional Relief, 24/7
- Daytime: Sativa-dominant 3:1 for focus, mobility, and productivity
- Nighttime: Indica-dominant 3:1 for sleep, calm, appetite, and deeper pain relief
Patient Results
3:1 is our most commonly prescribed FECO for a reason: it works. Patients often report reduced tumor size, increased appetite, improved sleep, and significantly less pain—especially when other methods have failed.
Medical Disclaimer: This product information is provided for educational purposes only and is not intended as a substitute for medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider before beginning any new treatment regimen.
Treats the Following Conditions

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