3267: Does Too Much Vitamin C Cause Side Effects? by Brianna Elliott with Healthline on Nutrient Overuse

Optimal Health Daily - Fitness and Nutrition

Optimal Living Daily LLC

Nutrition, Health & Fitness, Fitness

4.5 • 677 Ratings

🗓️ 22 January 2026

⏱️ 12 minutes

🔗️ Recording | iTunes | RSS

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Summary

Discover all of the podcasts in our network, search for specific episodes, get the Optimal Living Daily workbook, and learn more at: OLDPodcast.com. Episode 3267: Brianna Elliott breaks down the surprising downsides of taking too much vitamin C, revealing that high doses from supplements can lead to nausea, kidney stones, and iron overload in certain individuals. While vitamin C supports immunity and overall health, most people can meet their needs through a balanced diet without risking unnecessary side effects. Read along with the original article(s) here: https://www.healthline.com/nutrition/side-effects-of-too-much-vitamin-c Quotes to ponder: "Consuming too much vitamin C has the potential to increase the amount of oxalate in your urine, thus increasing the risk of developing kidney stones." "It’s nearly impossible to consume too much vitamin C from food." "Unless you have a vitamin C deficiency, which rarely occurs in healthy people, it is probably unnecessary for you to take large doses of this vitamin." Episode references: Vitamin C Fact Sheet: https://ods.od.nih.gov/factsheets/VitaminC-Consumer/ Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0	Idle money sits in your current account, stuck repeating the same tired tune, never hitting
0:07.1	play on its potential.
0:11.5	But thanks to Monzo's Savings Challenge, busy monies in the studio, laying down a little
0:16.1	extra every day so your balance sounds sweeter week after week.
0:21.6	Monzo, the bank that gets your money moving.
0:24.9	UK residents staged 18 plus, one entry per person,
0:27.3	Monzo personal account required, challenge and prize teas and Cs apply.
0:30.1	At Virgin Active, your membership means full club access, unlimited classes,
0:35.5	with space to move, recover and reset.
0:38.3	So, come for the weights, stay for the mates.
0:43.3	Come for the balance, stay for the burn.
0:47.3	Come for the PT, stay for the PV,
0:51.3	come for the core, stay for the calm. Everything you need is inside. Virgin Active.
0:59.3	Join the club. This is Optimal Health Daily. Does too much vitamin C cost side effects?
1:05.4	By Brianna Elliott with Healthline.com. And I'm Dr. Neal, your very own personal narrator.
1:10.8	Hey there, welcome to a Thursday edition of Optimal Health Daily.com. And I'm Dr. Neal, your very own personal narrator. Hey there, welcome to a Thursday
1:12.5	edition of Optimal Health Daily. This is one of five podcasts where we read to you from blogs
1:17.5	for free so that you don't have to read them yourself, except on Fridays. That's where I usually
1:22.6	answer your questions. For now, let's keep this intro nice and short and get right to today's post as we
1:28.8	optimize your life. Does too much vitamin C cause side effects? By Brianna Elliott with
1:38.8	Healthline.com. Vitamin C is a very important nutrient that's abundant in many fruits and vegetables. Getting enough
1:46.3	of this vitamin is especially important for maintaining a healthy immune system. It also plays an
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