Vitamin D Dosage Guide
Understanding your Vitamin D (Cholecalciferol/Ergocalciferol) dose — strengths available, how dosage affects price, and what to do if your dose changes. Always follow the dose printed on your prescription label.
What dosage of Vitamin D are you prescribed?
Vitamin D comes in 4 common strengths. Here's the cash price for each on ScriptUnlock:
| Vitamin D Strength | Retail Price | ScriptUnlock Cash | You Save |
|---|---|---|---|
| Vitamin D 1000 IU | $20 | $5 | $15 |
| Vitamin D 2000 IU | $23 | $6 | $17 |
| Vitamin D 5000 IU | $27 | $7 | $20 |
| Vitamin D 50000 IU | $30 | $8 | $22 |
Common Vitamin D strengths
How dosage affects Vitamin D price
For most medications including Vitamin D, higher dose = higher price. This is because:
- More active pharmaceutical ingredient (API) per tablet — the API is usually the most expensive raw material.
- Lower-volume manufacturing runs for less common strengths.
- Higher patient demand for certain strengths shifts pricing.
Key dosing principles for Vitamin D
- Always follow the dose printed on your prescription label — your prescriber selects it based on your individual case.
- Take Vitamin D at the same time(s) each day to maintain consistent blood levels.
- Don't double up if you miss a dose unless your pharmacist confirms it's safe for Vitamin D.
- Never change your Vitamin D dose without talking to your prescriber first.
- Keep a brief log if your dose changes — it helps your prescriber adjust treatment.
Talk to your doctor before changing your Vitamin D dose
Cost should never be a reason to skip doses, split tablets without approval, or stop Vitamin D on your own. Many prescribers will adjust dose or formulation to help you afford the medication — they want you on therapy.
If cost is the issue: mention it to your prescriber. They may switch you to a different strength, generic equivalent, or 90-day supply that fits your budget. ScriptUnlock can help you find Vitamin D at the lowest cash price near you.
Vitamin D dose questions?
Talk to your pharmacist or prescriber. Don't split, double, or change your Vitamin D dose on your own — some medications require careful titration and abrupt changes can cause withdrawal, rebound effects, or reduced efficacy.
Find the lowest Vitamin D cash price
Upload your Vitamin D prescription and verified pharmacies bid for your fill. 100% free for patients. No insurance, no membership, no sign-up.
Free for patients. No insurance, no membership, no sign-up required.
Vitamin D dosage FAQs
What is the standard dosage for Vitamin D?
Does the dosage of Vitamin D affect the price?
Can I get a lower dose of Vitamin D to reduce cost?
What is Vitamin D 1000 IU used for?
More Vitamin D questions
What is the typical dose of Vitamin D?
Vitamin D dose depends on the condition being treated, your age, weight, kidney/liver function, and individual response. Your prescriber will select the dose most likely to give you benefit with the fewest side effects. Always follow the dose printed on your prescription label.
How often should I take Vitamin D?
Dosing frequency for Vitamin D is set by your prescriber and printed on the dispensing label. Some medications are once-daily; others are split into 2-4 daily doses. Take it at the same time(s) each day to maintain consistent blood levels.
What if I miss a Vitamin D dose?
If you miss a Vitamin D dose, take it as soon as you remember unless it's nearly time for the next dose. Never double up to make up for a missed dose. If you miss multiple doses, contact your prescriber or pharmacist.
Can I take more Vitamin D if it doesn't feel like it's working?
No — never increase your Vitamin D dose on your own. If the prescribed dose isn't giving the expected effect, contact your prescriber. Many medications take days to weeks to show full effect at a given dose.
Where can I find the lowest cash price for Vitamin D?
Cash prices for Vitamin D vary significantly between pharmacies. ScriptUnlock compares participating pharmacies in real time so you pay the lowest available — no insurance, no membership.