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Too much vitamin C bad for MS symptoms?
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LizziB
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LizziB
Last activity on 04/21/2024 at 8:17 PM
Joined in 2022
603 comments posted | 35 in the Multiple sclerosis Forum
24 of their responses were helpful to members
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Hi @suplkr1
How are you doing today?
Your best resource will be your doctor, but I will also tag a few other members who may have heard about or may have experience with this.
@HrlyBabe4 @paulakasson @Scotlind99 @KylanP @Gotwle @Ldough @kiki22 @Ndinda @Masseryp @Vangink @Tiymanly1 @carolesims @Ashleymac2417 @Sueamy @ajmartines @johan89 @kymei41 @Megcpoole @Frankieppp @Puddin @GloriaF @KristaM @Stsuzy1232 @cannon4153 @Andrea16 @3llestin3 @Abdisufi @mavitybrittany @Auntielisa @AbbyQuinn @mrscarone @Jastanley9 @dan.varady
Do you watch your vitamin C intake? Have you heard that it could aggravate your symptoms? Do you take additional vitamin C throughout the year?
Let's share!
Take care,
Lizzi from the Carenity team
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LizziB
twiceequal17
twiceequal17
Last activity on 02/03/2025 at 3:16 AM
Joined in 2024
1 comment posted | 1 in the Multiple sclerosis Forum
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If you have concerns about using vitamin C with MS, it's essential to consult your healthcare provider before making any changes to your supplement routine. Stick to the recommended daily amount of 65-90 mg for adults and avoid high doses unless advised otherwise. Incorporate natural sources of vitamin C like citrus fruits, berries, and leafy greens into your diet. To support your immune system, consider alternatives such as vitamin D, zinc, adequate hydration, proper sleep, and regular exercise. Stay updated with the latest research on MS and vitamin C, and monitor how your body responds to ensure you're making the best choices for your health.
I hope this information is helpful to you.
rohit045
rohit045
Last activity on 08/15/2025 at 5:00 AM
Joined in 2025
Patient, Multiple sclerosis since 2025
Other condition: Abdominal adhesions
1 comment posted | 1 in the Multiple sclerosis Forum
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There’s limited evidence that high doses of vitamin C directly worsen MS symptoms, but some studies suggest excessive vitamin C could increase oxidative stress in certain contexts, which might theoretically affect nerve health. For most people, moderate supplementation (within recommended daily limits) is considered safe, but it’s best to discuss your travel doses with your neurologist to ensure it won’t interfere with your MS or medications. [This content has been moderated by an administrator]
kaicenat
kaicenat
Last activity on 08/22/2025 at 4:47 PM
Joined in 2025
Interested in Multiple sclerosis since 2025
1 comment posted | 1 in the Multiple sclerosis Forum
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I didn’t realize too much vitamin C could actually make MS symptoms worse. It really shows how even healthy things can backfire if taken in excess. Best to stay within the safe range and check with a doctor before adding more.
Bradley1
Bradley1
Last activity on 06/22/2026 at 12:18 PM
Joined in 2026
Patient, Multiple sclerosis since 2026
2 comments posted | 2 in the Multiple sclerosis Forum
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I haven’t seen strong evidence that normal doses of vitamin C worsen MS symptoms. It’s generally considered safe, especially when taken to prevent colds while traveling, but it’s always a good idea to check with your neurologist before increasing supplements.
kwanyoungjae
kwanyoungjae
Last activity on 06/29/2026 at 5:27 AM
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Interested in Acinar cell cystadenoma since 2026
3 comments posted | 3 in the Multiple sclerosis Forum
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That’s interesting information. Many people assume that more vitamin C is always beneficial, but excessive amounts can sometimes have unintended effects. It’s a good reminder to follow recommended guidelines and consult a healthcare professional before making significant changes to any supplement routine.
aizensdz
aizensdz
Last activity on 07/17/2026 at 11:42 AM
Joined in 2026
Family/friend of a patient with Vitamin B12 deficiency since 2026
1 comment posted | 1 in the Multiple sclerosis Forum
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I am suffering from lack of Vitamin B12 , because i work on desktop for long time near about 8-10 years. So can any one suggest better way to come out from this..
ahvccenter
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ahvccenter
Last activity on 07/24/2026 at 9:25 AM
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Interested in CHARGE syndrome since 2026
70 comments posted | 6 in the Multiple sclerosis Forum
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Excessive vitamin C intake may be detrimental to the symptoms of multiple sclerosis (MS). Large concentrations of antioxidants can cause inflammation and interfere with essential nutrients like vitamin B12, potentially exacerbating MS attacks, but the information is inconsistent.
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suplkr1
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suplkr1
Last activity on 12/14/2023 at 11:13 PM
Joined in 2018
56 comments posted | 50 in the Multiple sclerosis Forum
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Has anyone heard that vitamin C is bad for MS symptoms? Its concerning because when I travel I take extra vitamin C to prevent getting sick due to germs in the plane, transportation, etc. But recently, I read that it is bad for my MS, I'm just looking for more opinions.