This week’s question is about Vitamin D intake, and it comes from Sarah in Boston.
‘Hi Jenny -I am hearing a lot about the importance of taking Vitamin D for immunity, and wondered how much Vitamin D I should be taking a day? Can you recommend any good Vitamin D supplements?
Why Vitamin D is Important For Health.
Great question Sarah! Whilst Vitamin D is key for a healthy immune system, adequate levels are also super important for many other aspects of our health, including:
•strong bones and teeth
•disease prevention (including cancer prevention and CVD)
•mental health and wellbeing
42% of the adult population in the US has low vitamin D levels, with the lowest levels seen in Black and Hispanic populations (1).
Unfortunately not. Studies show that even populations with increased sun exposure (surfers in Hawaii) this does not ensure adequate Vitamin D levels for optimum health (2).
Additionally, the damaging effects of the sun on the skin can far outweigh the benefits, according to dermatologist and my partner in wellness, Dr. Julie Russak. I never leave the house without an SPF45, and in the summer always wear sunglasses and a hat to prevent sun damage.
Whilst we should not rely on food as our main source of Vitamin D as amounts are low, some healthy foods that are high in Vitamin D include:
Whilst I recommend testing your Vitamin D status before supplementation (see below), a good Vitamin D supplement is something we should all be taking on a daily basis for optimum health and immunity. If you are looking to raise your levels quickly the most effective way is to take 10,000 ius, 4 times a week for a month, rather than spreading it out on a daily basis.
Taking K2 with Vitamin D is advisable as this will help its absorption, and I recommend Mega D3 from the Poliquin Group (use code H92OON2F9YLZ for a 10% discount). If you are looking for a Vitamin D supplement to boost general health I recommend D3 1000 Liquid (from the same company / use same discount code).
Ideally before we start any supplement regime we would get a blood test to know our base level (this is one of the many tests I review with my clients as part of my Private Coaching programs). This is something that can be done either via your PCP, or as getting an appointment can be challenging, at home testing is also a great option.
I recommend an at home testing company called ‘Let’s Get Checked’ and use these tests for me and my family, and with my private nutrition coaching clients. You can use code ‘JENNIFERH’ for a 20% discount on all tests
Using your family history, blood work, and health goals I can create a supplement regime designed to help you achieve optimum health. All nutrition coaching services can now take place virtually, wherever you are in the world. For more details and to apply for Private Coaching click here.
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