About the drip

What the High Dose Vitamin C Drip is

A single-ingredient infusion: vitamin C (ascorbic acid) in a saline base, at one of three fixed doses. 6.25g is a moderate dose. 12.5g and 25g are high doses, well beyond what can be absorbed from tablets, which is the point of giving it intravenously: oral vitamin C absorption falls sharply above a few hundred milligrams, whereas IV delivery produces blood levels that cannot be reached by mouth.

High-dose IV vitamin C is studied in hospital settings for specific conditions. It is not licensed for any of them in the UK, and we do not offer it to treat anything. What we offer is the infusion itself, prepared in our pharmacy, with the screening it requires.

Ingredients

What is in it

  • Sterile saline base, volume matched to the dose
  • Vitamin C (ascorbic acid), 6.25g, 12.5g or 25g

Screening for the higher doses

Before a 12.5g or 25g infusion we require a G6PD (glucose-6-phosphate dehydrogenase) blood test. People with G6PD deficiency can develop haemolysis (red blood cell breakdown) after high-dose vitamin C, and the deficiency is more common in people of African, Mediterranean, Middle Eastern and South Asian heritage, often with no symptoms. FastHeal Labs, our blood testing clinic, can run the test in Woking; results usually take a few days. We also ask about kidney disease, kidney stones and iron overload, all of which rule the higher doses out.

Oranges and kiwi flat lay, hero image for the high dose vitamin C IV drip at FastHeal Woking

Is it for you?

Who books it

People who have been advised elsewhere to consider high-dose vitamin C and want it done in a pharmacy setting, people who want a vitamin C-only infusion without B vitamins or glutathione, and returning clients stepping up from the 2g dose in the Multivitamin Drip.

Time and cost

Duration and price

6.25g: around 60 minutes, £105. 12.5g and 25g: 90 to 120 minutes because high doses are infused slowly; prices confirmed at booking. G6PD test charged separately through FastHeal Labs.

InfusionPrice
Vitamin C 6.25g (around 60 minutes)£105
Vitamin C 12.5g (90 to 120 minutes)Confirmed at booking
Vitamin C 25g (90 to 120 minutes)Confirmed at booking
G6PD blood test (required for 12.5g and 25g)Charged separately

Prices include the consultation and health screening. We do not recommend regular infusions without a clinical reason.

On the day

What to expect

  1. 1

    Settle in

    You will be seated in a reclining chair in a private treatment room.

  2. 2

    The cannula

    A trained clinician inserts a small cannula, usually into the arm or hand, and connects the infusion. Most people describe a small scratch and nothing more.

  3. 3

    The drip

    You are free to read, work or rest while the drip runs. We check on you throughout.

  4. 4

    Afterwards

    We stay with you for a short period afterwards. You can drive, work and carry on with your day immediately.

Before you book

Safety and suitability

Every IV infusion at FastHeal Clinic Woking starts with a consultation and health screening. A prescriber reviews your medical history, current medicines and any allergies before anything is prepared. Some people should not have an IV nutrient infusion, including anyone who is pregnant or breastfeeding, anyone with kidney disease, heart failure, or certain metabolic conditions, and anyone under 18. If we are not confident an infusion is appropriate for you, we will say so and suggest an alternative.

FAQs

Frequently asked questions

Does high-dose vitamin C treat cancer or infections?

No claim of that kind is made here. It has been studied alongside conventional treatment in trials, with mixed results, and it is not a licensed treatment for anything in the UK. Anyone with a diagnosed condition should discuss IV vitamin C with their consultant before booking.

Why do I need a blood test first?

G6PD deficiency is silent until something triggers it. High-dose vitamin C is a known trigger. A one-off test rules it out and the result is valid for life.

What does 25g of vitamin C feel like?

Most people feel nothing beyond the infusion itself. Some feel thirsty, light-headed if they have not eaten, or notice a sour taste. Eat before you come.

Inside FastHeal Woking clinic

Visit our Woking clinic

FastHeal Clinic and Pharmacy is a GPhC-registered pharmacy and private clinic at 3 Mercia Walk in Woking town centre, a short walk from Woking railway station with several public car parks nearby. Every IV infusion is given in a private treatment room by trained staff, with a pharmacist on site.

  • Private treatment room with a reclining chair
  • Health screening with a prescriber before every infusion
  • Infusions prepared in the pharmacy on the day
  • Woking town centre, close to the station

Book at FastHeal Clinic Woking

FastHeal Clinic and Pharmacy is at 3 Mercia Walk, Woking GU21 6XS, in the town centre a short walk from Woking railway station. Book online or call 01483 478 181. If you are unsure which infusion is right for you, book a free ten-minute chat with our pharmacist first.