FECO: Full Extract Cannabis Oil – Quick 2025 Guide
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FECO – The Cleaner, Medical-Grade Evolution of RSO
Everything you need to know in under 3 minutes
Full Extract Cannabis Oil = whole-plant cannabis extract made with food-grade ethanol only. It's the version doctors, oncologists, and licensed producers actually recommend in 2025.
Fast facts (2025)
- Total cannabinoids: 650–920 mg/g
- Ratios: THC-dominant, 1:1, 4:1, CBD-dominant
- Terpenes: 3–10% (5–20× more than distillate)
- Color: Dark forest-green to black
- Taste: Herbal and smooth (no harsh solvent aftertaste)
Why FECO replaced RSO in clinics
- Cleaner solvent → <50 ppm residuals
- Higher terpene retention
- Available in suppositories & precise capsules
- Preferred by oncologists, neurologists, and hospice
Top medical uses (2025 patient registries)
- •Cancer symptom relief (nausea, pain, appetite)
- •Chronic & neuropathic pain
- •Epilepsy, MS, Crohn's, arthritis
- •Endometriosis & pelvic pain (suppositories)
- •PTSD & severe anxiety (1:1 or CBD versions)
How to dose (2025 medical consensus)
Start
5–10 mg total cannabinoids at night
Hold
Wait 3–4 days before adjusting
Increase slowly
Most patients settle at 50–300 mg/day
Note: Oncology patients (supervised) may use up to 500–1,000 mg/day
Quick 90-day roadmap
Weeks 1–2: 5–25 mg nightly
Weeks 3–6: 50–150 mg split morning + night
Weeks 7–12: 100–300 mg/day (or single suppository)
Maintenance: lowest effective dose + tolerance breaks
Best ways to use
Suppositories
70–90% bioavailability, minimal high
Capsules
Zero taste, perfect consistency
Sublingual
Fastest onset, 15-30 minutes
Oral/edibles
Longest lasting, 6-12+ hours
Never vape FECO — contains lipids that can cause lipid pneumonia
Storage
Refrigerate in syringe → lasts 2–3 years. Warm before use.
Top trusted brands 2025
US: Papa & Barkley • Care By Design • Mary's Medicinals • Wana Optimals
Canada/EU/AU: Tilray Full Spectrum • Bedrocan • Aurora • Little Green Pharma
Price
$35–70 per gram (medical bulk often $20–30/g)
Quick FAQ
Same as RSO?
No — cleaner, smoother, medically preferred
Will I get high?
THC versions yes; CBD-dominant & suppositories = almost none
Can I fly with it?
Only domestically in legal areas, with COA and original packaging
Best form for cancer patients?
Suppositories or 1:1 capsules