Limited
1 source reviewed
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Time to effect
2–4 weeks
Effort level
low
Category
Natural
Typical approach
Supplement / herb
How it works
Acts as a reducing agent for histamine, accelerating its breakdown. Also inhibits prostaglandin synthesis and has mast cell stabilising properties at high doses.
Doses above 1g may cause loose stools. Take divided doses with meals. High-dose vitamin C increases urinary oxalate — relevant if prone to kidney stones.
Limited RCT evidence for seasonal allergic rhinitis specifically. A study showed high-dose vitamin C reduced serum histamine levels. Community use is widespread but formal evidence is thin.
Community experiences
Anonymous · 0xa3f2
Tried for 6 weeks
“Noticeably less frequent issues after about a month of consistent use. Worth sticking with.”
Anonymous · 0xb71c
Tried for 4 weeks
“Good results overall. Had to adjust the approach slightly but found what worked for me. Would recommend trying it.”
Anonymous · 0xc8a1
Tried for 2 weeks
“Some improvement but not as dramatic as I hoped. Might need longer to see full benefit. Still continuing.”
Tried this remedy? Your rating helps others make better decisions.
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WikiRemedy surfaces community experience, not medical advice. Always consult a qualified health professional.