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Vitamin D on the Gold Coast: do you still need a supplement?

Vitamins & supplements Published Reviewed

Written by the Priceline Pharmacy Pacific Fair team. Reviewed by Jason Markey, BPharmSci, MPharm, Owner and Pharmacist.

General health information from a registered pharmacist. It doesn’t replace advice from your own pharmacist or doctor.

Most people on the Gold Coast don’t need a vitamin D supplement. The Queensland Government says most Queenslanders keep adequate vitamin D levels through incidental sun exposure, such as walking to the bus or hanging out the washing. But all that sunshine only helps if your skin actually meets it, and some locals are still at risk of low levels: people who work indoors all day, people with naturally dark skin, people who cover up for cultural or religious reasons, older people who are mostly at home or in care, and anyone who avoids the sun because of skin cancer.

If that sounds like you, a supplement may help, but check with your GP or pharmacist first. Here’s how to balance vitamin D with sun safety in a place where UV is high all year, what level to aim for, and when a blood test makes sense.

Who is at risk of low vitamin D, even in Queensland?

Healthy Bones Australia, healthdirect and Cancer Council list these groups as more likely to run low:

  • people who spend most of their time indoors for work or health reasons, including office and shift workers
  • people with naturally dark skin, because darker skin lets less UV through
  • people who cover most of their skin for cultural, religious or work reasons
  • older people, people who are housebound and people living in residential aged care
  • people who avoid the sun, including those advised to by their doctor because of skin cancer risk
  • women who are pregnant or breastfeeding
  • people with conditions that affect how vitamin D is absorbed or processed, such as Crohn’s disease, ulcerative colitis or advanced kidney disease
  • people with obesity
  • people taking some medicines, such as certain epilepsy medicines

Low vitamin D usually has no symptoms. healthdirect lists possible signs as mild bone pain, muscle weakness and tiredness. Over time it can reduce bone density and raise your risk of osteoporosis, and in older people it makes falls and broken bones more likely.

How do you get vitamin D without risking skin cancer?

This is the Gold Coast balancing act. The Queensland Government notes the UV Index is 3 or above all year round in Queensland, and 3 is the level where Cancer Council recommends sun protection. So the local advice is everyday sun protection, not deliberate sunbaking for vitamin D.

Cancer Council’s position is reassuring:

  • For most people, adequate vitamin D levels come from regular incidental exposure to the sun. When the UV Index is 3 or above, a few minutes outdoors on most days is usually enough.
  • Several studies have shown that sunscreen use has minimal impact on vitamin D levels over time, and sensible sun protection does not put people at risk of deficiency.
  • Overexposure to UV is never recommended, even if you have a vitamin D deficiency.

In other words, the short walks you already do in a Gold Coast day, from the car park to the shops or out to the letterbox, are usually enough while you stay sun safe.

If you burn easily or have had skin cancer, Healthy Bones Australia says sun protection is recommended at all times when the UV Index is 3 or above. That’s the right call for your skin, and it’s exactly the situation where Cancer Council suggests asking your doctor whether you need a supplement. For more on daily UV habits, see our Gold Coast sun safety guide.

What level should you aim for, and how much should you take?

Healthy Bones Australia recommends a vitamin D level of at least 50 nmol/L throughout the year. Your level changes with the seasons: it’s usually highest in late summer and lowest at the end of winter.

If you need a supplement, Healthy Bones Australia gives this general guide:

Your situationHealthy Bones Australia general guide
Some sun exposure, but not enoughAt least 600 IU a day for adults, or at least 800 IU a day if you’re over 70
Sun avoiders and people at risk of deficiencyHigher doses of 1,000 to 2,000 IU a day may be needed
Moderate to severe deficiency, confirmed by a blood test3,000 to 4,000 IU a day for 6 to 12 weeks, then 1,000 to 2,000 IU a day, as advised by a doctor

Healthy Bones describes this as a general guide only. Your doctor will advise the dose you need, and your pharmacist can give general advice on vitamin D supplements.

More isn’t better. healthdirect says vitamin D supplements rarely cause toxicity, but too much can raise the calcium in your blood (hypercalcaemia), and people with certain conditions shouldn’t take supplements. Check with a pharmacist before you start, especially if you take other medicines. If you think you’ve taken too much, call the Poisons Information Centre on 13 11 26.

Should you get your vitamin D tested?

Not everyone needs a test. Healthy Bones Australia says doctors only test vitamin D levels in people with risk factors for deficiency. It’s a blood test your doctor orders.

Medicare only covers a vitamin D test in certain situations. Under Medicare Benefits Schedule item 66833, these include:

  • deeply pigmented skin, or a chronic and severe lack of sun exposure for cultural, medical, work or living reasons
  • signs or symptoms of osteoporosis or osteomalacia (softening of the bones)
  • conditions that affect absorption, such as untreated coeliac disease, inflammatory bowel disease or previous bariatric surgery
  • taking a medicine known to lower vitamin D levels, such as some anticonvulsants
  • chronic kidney failure or a kidney transplant
  • some calcium, phosphate or parathyroid problems

There are separate criteria for babies and children. If you don’t meet the criteria, ask your GP about the cost before you have the test. Help Medical, the independent GP practice inside our store, has a QML Pathology collection room, so if your GP orders a test you may be able to have it collected on site.

Can you get enough vitamin D from food?

Not on its own. healthdirect says most people can’t get enough vitamin D from food alone, and Healthy Bones Australia agrees. Food still helps, and these contain some vitamin D:

  • oily fish such as salmon and anchovies
  • eggs (the yolk)
  • mushrooms that have been exposed to UV light, which healthdirect lists as one of the richest sources
  • liver
  • fortified foods. In Australia, margarine has vitamin D added, and some milks, milk powders and cereals do too, so check the label.

How our pharmacists can help

At Pacific Fair, our pharmacists can help you work out whether you’re in a higher-risk group, explain what the IU numbers on a label mean, and check a vitamin D supplement against your other medicines before you buy. Our guide to supplements that can interact with your medicines explains why that matters. Learn more about our vitamins and supplements advice, or browse the vitamins and supplements range on priceline.com.au and ask our team in store.

When to see a pharmacist or GP

See a GP, such as our in-store Help Medical GPs, if:

  • you’re in one of the higher-risk groups above and have never talked to a doctor about vitamin D
  • you have ongoing bone pain, muscle weakness or tiredness
  • you’re planning a pregnancy, pregnant or breastfeeding and may be at risk
  • you’ve been taking a high-dose supplement for a while and it hasn’t been reviewed
  • you have kidney disease or a bowel condition, or you take epilepsy medicines

Ask a pharmacist before buying a vitamin D supplement if you take any regular medicines, or if you’re buying one for a baby or child.

Sources

This article is general information only and isn’t a substitute for personal advice from your doctor or pharmacist. Always read the label and follow the directions for use. If symptoms persist or you’re worried, talk to your pharmacist or GP. In an emergency, call 000.

Talk to our pharmacists at Pacific Fair

Pop in, no appointment needed. We’re on the ground floor of Pacific Fair Shopping Centre, Broadbeach, open 7 days and until 9pm on Thursdays.