Aged and fermented ingredients (histamine)
Established
What it is
Fermentation and aging processes produce histamine as a byproduct. Histamine-rich foods are often "high-quality" ingredients but problematic for users with histamine intolerance or mast cell activation issues.
Relevant concerns
- Histamine
Histamine intolerance, MCAS, and mast cell activation sensitivity.
This entry is informational. It isn't a substitute for medical advice or a manufacturer's disclosure. When source matters and you can't tell from the label, contact the manufacturer.