VEI IV · Vitamin D

Vitamin D injection:
we check with a test first

A vitamin D shot is an intramuscular injection that a specialist may recommend when a blood test shows low vitamin D levels. It is considered when oral supplements have not raised your levels or when absorption is a concern.

VEI Clinic, Gangnam — VEI IV · Vitamin D

Who It May Suit

People whose blood test shows low vitamin D
People who find it hard to take oral supplements regularly or whose stomach is upset by them
People who may have absorption problems due to digestive conditions
People who need maintenance after a deficiency is corrected (assessed case by case)

Testing and Follow-Up

Before the shot: blood vitamin D level and calcium, plus kidney function if needed
Retest: levels are checked some time after the shot
Maintenance: oral vitamin D or periodic shots, chosen to suit you

How a Visit Works

History: symptoms, diet and sun exposure, medications, supplements and allergies
Testing: review of existing results or a blood test at the clinic
Explanation and consent: whether a shot is needed and the schedule
Intramuscular injection: done quickly, with a bandage applied
Before you leave: when to retest and how to maintain your levels

When to Talk to Us First, and Precautions

Please tell us in advance if any of the following apply. The specialist will carefully consider whether the shot is right for you.

You may have a bruise or soreness at the injection site. Seek care right away for a severe headache, vomiting, confusion, chest pain or signs of an allergic reaction.

High calcium levels, kidney stones or kidney disease
Sarcoidosis or other granulomatous conditions
Overactive parathyroid glands or liver disease
Taking diuretics or heart medication
Pregnancy or breastfeeding

After the Shot

Gently moving your arm can ease soreness
Do not add large amounts of over-the-counter vitamin D without the specialist's advice
Drink water and eat balanced meals
Keep your sun and skin protection habits as advised

The VEI Clinic Approach

An internal medicine specialist looks at your test results and first decides whether a shot is needed. If oral supplements are enough, we recommend that approach first. Results can differ from person to person, and the specialist decides on suitability after your consultation.

FAQ

Frequently asked questions

Which form of vitamin D do you use?

We use vitamin D3 unless there is a specific reason not to.

How soon will my levels rise?

Levels rise gradually over several weeks, and we confirm this with a retest after some time.

Will I feel more energetic right away?

This shot does not give you instant energy. Some people notice a change in how they feel as the deficiency is corrected, but this varies from person to person.

Can I take calcium supplements with it?

Only as the specialist advises. Taking too much of both can raise the risk of high calcium levels.