From the blog
Vitamin C IV Drips: What They Do in the Body and Who They Suit
In short: Vitamin C is a nutrient the body cannot make for itself. It is needed to build collagen, to protect cells from oxidative stress and to support white blood cells. A vitamin C IV drip puts it straight into the bloodstream, so blood levels rise far higher than tablets can reach. At SOMA, vitamin C is one possible part of a physician-led IV nutrient plan, chosen after a clinical assessment, with kidney function checked before a high-dose formulation is approved.
What is vitamin C?
Vitamin C, also called ascorbic acid, is a water-soluble vitamin. Water-soluble means it dissolves in water, so the body stores little of it and needs a steady supply. Most animals make their own vitamin C. Humans lost that ability, so we rely on food or supplements.
The body keeps vitamin C where it is busiest. White blood cells, such as neutrophils, pull it in from the blood. They hold levels 50 to 100 times higher than the blood around them.
What does vitamin C do in the body?
Vitamin C has three main jobs.
It helps build collagen. Collagen is the protein that gives strength to skin, blood vessels, tendons and the gums. Two enzymes that finish and stabilise collagen need vitamin C to work. When vitamin C runs very low, collagen weakens and wounds heal poorly.
It protects cells from oxidative stress. Oxidative stress is damage caused by reactive oxygen molecules, the "sparks" thrown off by normal energy production. Vitamin C gives up electrons to disarm them. It also recycles two other antioxidants, glutathione and vitamin E, back to their active forms after they have been used. You can read more in our guide to glutathione IV drips.
It supports white blood cells. Inside neutrophils, vitamin C supports their ability to move towards germs, swallow them and clear them. It also helps the body clean up spent white blood cells afterwards, which limits damage to nearby tissue. Infection and inflammation use up vitamin C quickly, so levels can fall when the body is under strain.
Vitamin C is also a helper for enzymes that make carnitine, a molecule cells use to carry fats into their energy centres.
Why does an IV drip reach higher levels than tablets?
When you swallow vitamin C, the gut absorbs it through special carriers. These carriers fill up, a bit like a queue at a single counter. Once they are full, taking more does not raise blood levels much. The kidneys also pass extra vitamin C into the urine. So blood levels from tablets stay within a tight range.
A drip goes straight into a vein, so it skips the gut entirely.
A study of healthy volunteers at the US National Institutes of Health measured this directly:
A 1.25 g dose by mouth raised blood levels to about 135 micromoles per litre at their peak.
The same dose by drip reached about 885 micromoles per litre, more than six times higher.
The gap grew as the dose went up. Modelling predicted a peak of about 220 micromoles per litre with repeated maximum-tolerated oral dosing.
These measurements describe blood concentrations, not treatment outcomes.
Much of the extra vitamin C from a drip then passes out through the kidneys into the urine. This is one reason a doctor checks kidney health before any high dose.
Who is a vitamin C IV drip used for?
A SOMA doctor looks at your blood work, history and medicines. Whether IV vitamin C is appropriate depends on nutritional status, absorption, medical history and the clinical reason for treatment.
A documented shortfall does not automatically require an infusion. Food or oral supplements may meet the need. Higher blood concentrations alone do not establish greater benefit.
Does vitamin C IV help skin?
Vitamin C is needed for collagen, and normal skin holds high levels of it. That is the reason it is often marketed for skin. But a need for vitamin C in skin does not mean a drip changes how skin looks. In 2026, a task force of the Association of Cutaneous Surgeons of India found that no professional dermatology guideline endorses IV vitamin drips for cosmetic or anti-ageing use.
At SOMA, every IV formulation is chosen after a clinical assessment, and a drip is declined when it is not clinically appropriate.
Who needs extra assessment before vitamin C IV?
These are screening points for a doctor to consider, not a complete list:
G6PD deficiency. G6PD is an enzyme that protects red blood cells. People who lack it can have red blood cells break down (haemolysis) after high doses of vitamin C, especially by drip. Many people do not know they have it, so G6PD testing is advised before high-dose IV vitamin C. If the test confirms a deficiency, high-dose IV vitamin C should be avoided.
Kidney disease or a history of kidney stones. The body turns some vitamin C into oxalate, a waste product cleared by the kidneys. In people whose kidneys already work poorly, high IV doses have led to oxalate deposits and kidney damage.
Iron overload conditions, such as haemochromatosis or thalassaemia needing regular transfusions. Vitamin C increases how much iron the body absorbs and how much iron cells take up.
Diabetes with home sugar checks. High levels of vitamin C in the blood can make some finger-prick glucose meters read falsely high, during and after the drip. If you check your sugar at home, agree with your doctor beforehand how your sugar will be measured during and after treatment.
pregnancy or breastfeeding
an allergy to any ingredient in the drip, which rules that formulation out
Possible side effects include discomfort, bruising or vein irritation where the drip goes in, infection at the site, tiredness after the drip, and allergic reactions, which can be severe. Risks depend on the ingredients, dose, preparation and the person. Tell staff straight away about any breathing difficulty, swelling or faintness.
What happens during a vitamin C IV session at SOMA?
Before: your formulation is confirmed against your latest blood tests, and your vital signs are checked.
During: you rest in a chair while the drip runs, usually for 45 to 90 minutes depending on the formulation, with clinical staff present.
After: most people return to their day straight away. Follow-up blood tests guide whether, when and how the formulation is repeated.
Drips are given in the centre by clinical staff under a doctor's oversight. See IV nutrient therapy for the full range of ingredients your doctor can choose from.
How a SOMA doctor decides if it is right for you
Your doctor starts with your history, detailed blood work and your goals. Vitamin C is one option. It often sits alongside other nutrients, such as B vitamins, magnesium or zinc, because nutrients work as partners. Your doctor discusses the options that fit your diagnosis, including nutrition changes or oral supplements where they are indicated. You get a clear plan with what to measure and when, as one part of a plan built around you.
SOMA centres in Mumbai and New Delhi
IV nutrient therapy, including vitamin C where your doctor prescribes it, is given at both SOMA centres:
Mumbai: A-507, Kohinoor Square, N.C. Kelkar Marg, Shivaji Park, Dadar West, Mumbai 400028. Phone +91 98671 94033.
New Delhi: E-354, Greater Kailash II, New Delhi 110048, serving Delhi NCR and Gurugram. Phone +91 87969 92001. More about the New Delhi centre.
The New Delhi centre is independently operated under licence from SOMA Longevity Sciences, and its own doctors lead care there. Both centres follow the same SOMA assessment and diagnostic standards. Online consultations are also available. Contact either centre.
Questions people ask
What does vitamin C do in the body?
Vitamin C helps enzymes build strong collagen, protects cells from oxidative stress and recycles glutathione and vitamin E. White blood cells hold high levels of it to support their work. The body cannot make its own, so it must come from food or supplements.
Is IV vitamin C better than tablets?
A drip raises blood levels far higher than tablets can. In one study, the same dose reached more than six times the peak level by drip. Tablets are enough for many people. Your doctor chooses the route based on your tests and needs.
How long does a vitamin C drip take?
Most IV nutrient sessions at SOMA take 45 to 90 minutes, depending on the formulation, seated, with clinical staff present. Most people return to their day straight after.
Is vitamin C IV safe?
It is given by trained staff after a doctor's screening. Possible side effects include bruising or irritation where the drip went in and allergic reactions, which can be severe. G6PD testing is advised before high-dose IV vitamin C, and it should be avoided if a deficiency is confirmed. People with kidney disease or kidney stones, or iron overload, need a doctor's assessment first.
Where can I get a vitamin C IV drip in Mumbai or Delhi?
SOMA gives physician-led IV nutrient therapy, which can include vitamin C, at its centres in Dadar West, Mumbai and Greater Kailash II, New Delhi. Every drip starts with a doctor's assessment and blood tests.
Sources
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Pullar JM, Carr AC, Vissers MCM. The roles of vitamin C in skin health. Nutrients 2017;9(8):866. https://pubmed.ncbi.nlm.nih.gov/28805671/
Padayatty SJ, Sun AY, Chen Q, Espey MG, et al. Vitamin C: intravenous use by complementary and alternative medicine practitioners and adverse effects. PLoS One 2010;5(7):e11414. https://pubmed.ncbi.nlm.nih.gov/20628650/
Juneja D, Jain R, Nasa P. Vitamin C-induced hemolysis: meta-summary and review of literature. Indian Journal of Critical Care Medicine 2022;26(2):224–227. https://pubmed.ncbi.nlm.nih.gov/35712748/
Lane DJR, Richardson DR. The active role of vitamin C in mammalian iron metabolism: much more than just enhanced iron absorption! Free Radical Biology and Medicine 2014;75:69–83. https://pubmed.ncbi.nlm.nih.gov/25048971/
Sartor Z, Kesey J, Dissanaike S. The effects of intravenous vitamin C on point-of-care glucose monitoring. Journal of Burn Care & Research 2015;36(1):50–56. https://pubmed.ncbi.nlm.nih.gov/25127026/
Mysore VN et al. Consensus position statement on emerging treatments in dermatology by the Association of Cutaneous Surgeons of India Task Force. Journal of Cutaneous and Aesthetic Surgery 2026;19:223–241. https://jcasonline.com/consensus-position-statement-on-emerging-treatments-in-dermatology-by-the-association-of-cutaneous-surgeons-of-india-task-force/
This article is for education and general information. It is not a substitute for a medical consultation, diagnosis or treatment. Results vary by individual biology.
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