How Much Vitamin C Is Too Much Vitamin C? Expert Reveals


Supplementation ought to be carried out judiciously and solely beneath a physician’s supervision.


  • Vitamin C is required to provide collagen
  • Extreme consumption of Vitamin C often results in quite a few well being points
  • Whereas taking Vitamin C within the type of tablets, you might overdose

Nutritional vitamins are important vitamins and should be consumed every day for our physique to perform optimally. Most important vitamins are people who the physique can’t synthesise or can’t achieve this in ample quantities; therefore, consumption of meals that present these important vitamins is a should. Nutritional vitamins are broadly categorized as water soluble and fat-soluble Nutritional vitamins. There are 13 Nutritional vitamins in all and each carries out vital features that preserve us alive and Vitamin C is one among them.

Vitamin C is a water-soluble vitamin and has a number of features inside our physique. It has been related to safety in opposition to some cancers like these of the mouth, oesophagus, abdomen, and breast. It is usually been seen to guard in opposition to cataracts. Vitamin C is required to provide collagen – the protein that holds our physique collectively, heals our wounds and maintains the integrity of our blood vessels. Vitamin C is concerned within the manufacturing of neurotransmitters like serotonin and norepinephrine. Crucial perform of Vitamin C is that it acts as an antioxidant and bolsters the immune system. In these COVID occasions, that is the rationale most of us are popping Vitamin C tablets.

Being a water-soluble vitamin, extreme consumption of Vitamin C often results in excretion of the additional quantity by means of urine. Vitamin C consumed within the type of pure meals sources seldom causes an overdose; nonetheless, whereas taking Vitamin C within the type of tablets, you might overdose. That is extraordinarily uncommon however is seen often.

(Additionally Learn: 5 Efficient Vitamin C Drinks You Can Add To Your Immunity-Boosting Food plan)

Signs Of Having Too A lot Vitamin C

Whereas taking dietary supplements, it has been noticed that not the complete quantity is absorbed. It’s believed that in decrease doses about 70-90% absorption happens whereas in mega doses of 1g and above solely 50% is absorbed. The extreme quantity left over within the GI tract could irritate the system resulting in signs like:

– Diarrhoea

– Nausea

– Vomiting

– Heartburn

– Belly cramps

– Headache

– Insomnia

Different Aspect Results Of Taking Extreme Quantities Of Vitamin C Are:

Kidney stones: Extreme Vitamin C is excreted as oxalate from our physique by means of urine. Generally this oxalate binds to different minerals forming crystals that will result in stones within the kidneys. As Vitamin C is liable for growing the oxalate formation, extreme consumption has been discovered to be linked to kidney stones. Some research have proven excessive Vitamin C intakes to be linked to kidney failure, although in very uncommon circumstances solely.

Absorption of Vitamins: Extreme Vitamin C could intervene with the absorption of Vitamin B12. In truth, it’s suggested that in case you are taking each these vitamin dietary supplements, you need to preserve about 2 hours of hole between them. Vitamin C has additionally discovered to lower the uptake of Copper within the physique.

Bone well being: Vitamin C is a precursor for collagen formation, which is important for wholesome bones, and a number of other research have proven it useful impact on retaining bone and joint illnesses at bay. Nevertheless excessive ranges of Vitamin C in our physique could result in activation of a protein that causes painful bone spurs (bony projections that develop alongside bone edges particularly on the joints). Excessive intakes of Vitamin C over lengthy durations of time could result in acceleration of painful osteoarthritis.

The Rusting Concept: A examine carried out by the students of College of Florida, it was discovered that in the event you had an damage, sprain or irritation, and had been taking greater than 100mg of Vitamin C/day, you might be rusting inside. The premise was that every one these situations result in free iron inside the physique which reacts negatively with Vitamin C inflicting a response like rusting of an iron rod when uncovered to water and oxygen. So regardless that Vitamin C helps decrease irritation and hasten therapeutic, taking the correct amount is beneficial.

(Additionally Learn: three Methods To Add Coriander Leaves In Your Food plan To Get Every day Dose Of Vitamin C)

Really useful Every day Consumption Of Vitamin C (ICMR/NIN)

To guard in opposition to these attainable outcomes (unwanted effects), higher restrict of Vitamin C supplementation has been set. The UI or higher restrict of Vitamin C in line with the Workplace of Dietary Dietary supplements – USA is:

– Adults: 2000mg/day

– Pregnant and Lactating moms: 1800mg/day

– Infants: 400mg/day

– Kids 4-Eight Years: 650mg

– 9-13 Years: 1200mg

– 14-17 Years: 1800mg

Really useful Every day Consumption Of Vitamin C (ICMR/NIN) For The Indian Inhabitants Is:

– Grownup Man: 40mg/day

– Grownup lady: 40mg /day

– Pregnant and lactating moms: 60-80mg/day


– 0-1 yr: 25mg

– 1-17 years: 40mg

Taking a number of citrus fruits, peppers, tomato, papaya, inexperienced chutney, amla and inexperienced leafy greens repeatedly will give you ample Vitamin C. Supplementation ought to be carried out judiciously and solely beneath a physician’s supervision.

Keep secure, keep wholesome!


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About Rupali DattaRupali Datta is a Scientific Nutritionist and has labored in main company hospitals. She has created and lead groups of pros to ship medical options for sufferers throughout all medical specialties together with vital care. She is a member of the Indian Dietetic Affiliation and Indian Affiliation of Parenteral and Enteral Diet.


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