Bioavailability is the percentage of a substance that actually reaches the bloodstream and becomes available for the body to use. For deer velvet antler, bioavailability varies dramatically depending on the processing technology — from 30% for raw powder to 90–100% for enzymatic hydrolysate.
Bioavailability by Product Form
| Form | Bioavailability | Why |
|---|---|---|
| Hydrolysate (capsules) | 90–100% | Proteins pre-digested into peptides and free amino acids |
| Freeze-dried powder | 60–80% | Preserved but large molecules still need digestion |
| Liquid extract | 60–80% | Partial extraction, not all compounds released |
| Pantohematogen | 50–70% | Blood proteins partially preserved, partially degraded |
| Alcohol tincture (Pantocrin) | 40–60% | Alcohol denatures proteins, destroys growth factors |
| Raw ground powder | 30–50% | Large proteins locked in matrix, poor digestion |
| Traditional decoction | 20–40% | Boiling destroys most heat-sensitive compounds |
What Determines Bioavailability
- Molecular size — smaller molecules absorb better (peptides > proteins)
- Solubility — water-soluble compounds absorb faster
- Processing temperature — heat destroys growth factors, enzymes, peptides
- Matrix release — compounds locked in cartilage/bone matrix are poorly absorbed
- Gastric survival — some compounds are degraded by stomach acid
Hydrolysis: The Key to Maximum Bioavailability
Enzymatic hydrolysis at 40–45°C breaks down antler proteins into short peptides (2–20 amino acids) and free amino acids. These small molecules:
- Pass directly through intestinal wall without further digestion
- Are absorbed in 15–30 minutes
- Reach target tissues via bloodstream intact
- Retain biological signaling activity (especially growth factors)
How to Maximize Bioavailability
1. Take on empty stomach (30 min before meals)
2. Drink full glass of water (200 ml)
3. Avoid coffee/tea within 30 min (tannins bind peptides)
4. Don’t take with high-fiber meals (slows absorption)
5. Store properly (cool, dry, sealed — preserves activity)
The difference between 30% and 90% bioavailability means you need 3× more powder to get the same effect as hydrolysate. When you factor in cost per effective dose, hydrolysate is often more economical despite a higher sticker price.
90–100% bioavailability — Milespant hydrolysate capsules.