Dr Norman Swan
speaker
1,216 appearances
8 recordings
1 series
first heard Jul 2026
last heard 15 Sep
Dr Norman Swan’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 8 in all, peaking in Sep 2026 with 3.
Appearances
So vitamin C in foods at a low dose is an antioxidant.
It's a bioactive compound that's really good for you.
In high doses, it becomes a pro oxidant.
It speeds up tissue aging.
And it's likely that the others have the same dose effect.
Nobody understands why that occurs, but dose matters and the dose might not be good for you taken as a supplement.
Well, if you're comparing carrot to carrot, it's possible that it does.
I mean, I'm not sure the research has really been done on the intensity of colour in a given you know, when you're comparing fruit against fruit.
You know, most carrots, most blueberries, they all look the same.
So the the difference is probably going to be marginal.
I think more is well, if you look at your basket of fruit, which I think is what Lauren was saying, and you got tatties in there, you've got potatoes in there, and you got turnips and you've got capsicum.
And he was also saying, should you have when you're buying capsicum, should you buy capsicum that's of different colours?
Well the answer is probably yes, because red capsicum is going to have a lot of
Lycopene.
Green capsicum's going to have a lot of stuff that's in green vegetables, and yellow pack capsicum's got its own mix.
So a mix of capsicum is probably a very good idea to have rather than just obsessing on one.
Variety is the rule of the day, and also your dietary pattern.
So not getting too obsessed with individual elements of it.
It's how you cook, how you prepare.
So if you've got colorful food with a large variety that's constantly changing and refreshing.
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