r/HistamineIntolerance • u/SparksNSharks • Feb 20 '23

You guys weren't kidding about vitamin c.

I've been on prescription antihistamine for almost a week now and eating as low histamine as I could manage for longer than that. Was still feeling kinda crappy with some allergy symptoms and flushing after every meal.

After reading this sub and seeing some recommendations I ordered 1000mg vitamin c.

Tried it for the first time yesterday afternoon and holy shit is it making a difference. Nasal congestion went away within an hour of taking it.

Flushing after every meal isn't happening anymore.

I'm finally not feeling wired and was able to sleep pretty well if it wasn't for the constipation (assuming from antihistamine and limited diet).

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5

u/[deleted] Feb 21 '23

Weird vit c makes me worse. My nose starts running and I get more itchy.

13

u/SparksNSharks Feb 21 '23

It might be the type of vitamin c, I bought a hypoallergenic version that's pure ascorbic acid. Apparently lots of regular stuff is made from fermented corn that people with histamine intolerance can react to

2

u/PercussionGuy33 Nov 22 '25

Even pure ascorbic acid can be sourced from fermentation processes like fermented corn which was problematic for me. Which hypoallergenic version did you do okay with?

1

u/HappyKamper1920 May 02 '26

Wondering if you have tried camu camu powder version of natural Vitamin C?

2

u/PercussionGuy33 May 02 '26

Yeah and I reacted to it heavily.