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OTC · No prescriptionEysys PharmaVitamin and mineral supplement

Isi D3 DS 800 IU Drops

Cholecalciferol (Vitamin D3) 800 IU per mL (drops)

₹129MRP ₹135In stock
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Delivery across India. Free above ₹999; ₹49 from ₹499, ₹99 below. Chennai express delivery is chargeable.

Isi D3 DS 800 IU Drops is used for treatment and prevention of vitamin D deficiency, rickets and osteomalacia, supportive therapy in osteoporosis, supplementation in infants/children/adults with low vitamin D levels.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Cholecalciferol (Vitamin D3) 800 IU per mL (drops)
Available variants: drop 800 iu 30ML
Best price: ₹129 (₹4.29 per ml)
MRP: ₹135
Prescription: Not required
Manufacturer: EYSYS PHARMA

Ordering notes

Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Isi D3 DS 800 IU Drops

Isi D3 DS 800 IU Drops contains Cholecalciferol (Vitamin D3) 800 IU per mL (drops). It belongs to the Vitamin D analogue (Cholecalciferol) class of medicines.

Uses of Isi D3 DS 800 IU Drops

  • Treatment and prevention of vitamin D deficiency
  • rickets and osteomalacia
  • supportive therapy in osteoporosis
  • supplementation in infants/children/adults with low vitamin D levels

Key benefits

  • Helps correct vitamin D deficiency
  • Improves calcium absorption
  • Supports bone and teeth health
  • Helps prevent rickets/osteomalacia
  • Supports muscle function

How Isi D3 DS 800 IU Drops works

Cholecalciferol is converted in the body to active vitamin D, which increases intestinal absorption of calcium and phosphate. This helps maintain normal bone mineralization and supports muscle function.

How to take Isi D3 DS 800 IU Drops

Oral drops: use the calibrated dropper as directed by the physician. Can be taken with or after food; in infants, drops may be mixed with a small amount of milk/water and given immediately. Do not exceed the recommended dose.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can raise blood calcium dangerously, causing thirst, frequent urination, vomiting, confusion and kidney damage. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Isi D3 DS 800 IU Drops

Most side effects of Isi D3 DS are mild and settle as the body adjusts. Reported side effects include:

  • Nausea
  • vomiting
  • constipation
  • abdominal pain
  • loss of appetite
  • headache
  • weakness
  • increased thirst
  • increased urination

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Isi D3 DS 800 IU Drops

PregnancyConsult doctor
BreastfeedingGenerally considered safe while breastfeeding.
AlcoholUse with caution
DrivingNot expected to affect your ability to drive.
KidneyConsult your doctor if you have kidney disease.
LiverNo dose change is usually needed in liver disease.
Habit formingNo

Warnings and precautions

Do not use excessive doses—risk of hypervitaminosis D and hypercalcaemia. Use with caution in kidney disease, history of kidney stones, hyperparathyroidism, sarcoidosis or other granulomatous diseases. Monitor serum calcium/vitamin D levels if using high doses or long-term. Seek medical advice if symptoms of high calcium occur (persistent nausea, vomiting, confusion, excessive thirst/urination).

Do not take Isi D3 DS if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with a high blood calcium level, or with certain kidney stones.

Interactions with other medicines

Thiazide diuretics (increased risk of hypercalcaemia), digoxin/cardiac glycosides (arrhythmia risk with high calcium), antiepileptics like phenytoin/carbamazepine and rifampicin (reduced vitamin D effect), corticosteroids (reduced vitamin D action), cholestyramine/orlistat/mineral oil (reduced absorption), aluminium/magnesium antacids in renal impairment (risk of toxicity)

How to store Isi D3 DS 800 IU Drops

Store below 25°C in a cool, dry place. Protect from light and moisture. Keep bottle tightly closed and out of reach of children.

Expert advice for Isi D3 DS 800 IU Drops

Take calcium with food, and split the day's total if you take a large amount. Sunlight helps your body make its own vitamin D. Have your level rechecked as your doctor advises rather than continuing high doses indefinitely.

Manufacturer and class

Manufacturer:
EYSYS PHARMA
Therapeutic class:
Vitamin and mineral supplement
Drug class:
Vitamin D analogue (Cholecalciferol)

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Isi D3 DS 800 IU Drops FAQs

What is Isi D3 DS 800 IU Drops used for?
Isi D3 DS 800 IU Drops is commonly used for Treatment and prevention of vitamin D deficiency, rickets and osteomalacia, supportive therapy in osteoporosis, supplementation in infants/children/adults with low vitamin D levels. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Isi D3 DS 800 IU Drops?
Isi D3 DS 800 IU Drops contains Cholecalciferol (Vitamin D3) 800 IU per mL (drops). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Isi D3 DS 800 IU Drops?
Oral drops: use the calibrated dropper as directed by the physician. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Isi D3 DS 800 IU Drops work?
Cholecalciferol is converted in the body to active vitamin D, which increases intestinal absorption of calcium and phosphate.
Is Isi D3 DS 800 IU Drops a prescription medicine?
No. Isi D3 DS 800 IU Drops is available over the counter (OTC), no prescription is required. However, it is always safer to consult a doctor or pharmacist before use.
What are the common side effects of Isi D3 DS 800 IU Drops?
The side effects reported most often with Isi D3 DS are Nausea, vomiting, constipation, abdominal pain, loss of appetite. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Isi D3 DS 800 IU Drops be taken during pregnancy?
Consult doctor Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Isi D3 DS.
Can I drink alcohol while taking Isi D3 DS 800 IU Drops?
Use with caution
What if I miss a dose of Isi D3 DS 800 IU Drops?
Take it as soon as you remember.
Is Isi D3 DS 800 IU Drops habit forming?
No. Isi D3 DS 800 IU Drops is not known to be habit forming when taken as prescribed.
How much does Isi D3 DS 800 IU Drops cost on PingMeDoc Pharmacy?
Isi D3 DS 800 IU Drops starts at ₹129 (MRP ₹135) on PingMeDoc Pharmacy. Available in drop 800 iu 30ML. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Isi D3 DS 800 IU Drops?
Isi D3 DS 800 IU Drops is manufactured by EYSYS PHARMA. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Isi D3 DS 800 IU Drops delivered?
Isi D3 DS 800 IU Drops is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Isi D3 DS 800 IU Drops, Quick facts

Salt
Cholecalciferol (Vitamin D3) 800 IU per mL (drops)
Form
drop
Best price
₹129 (₹4.29 per ml)
MRP
₹135
Prescription
Not required (OTC)
Brand
EYSYS PHARMA
Manufacturer
EYSYS PHARMA
Therapeutic class
Vitamin and mineral supplement
Drug class
Vitamin D analogue (Cholecalciferol)
Habit forming
No
Variants
drop 800 iu 30ML
Delivery
Standard across India

References

The information on Isi D3 DS 800 IU Drops is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. Manufacturer labeling, established medical literature (vitamin D/cholecalciferol monographs), standard clinical guidelines for vitamin D deficiency
  2. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  3. National List of Essential Medicines (NLEM) 2022, Government of India.
  4. Manufacturer's package insert / prescribing information for Isi D3 DS 800 IU Drops.
  5. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.