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High vitamin D

Hi all,

I hope everyone is doing well.
I am pretty sure that there’s nothing to worry about, but my partners vitamin D levels are pretty high 185 nmo/l. The blood were actually drawn after our holiday in the Dominican Republic in which we did get plenty of sun. But in addition we’ve been supplementing 5,000 iu + 250 mg k2 as mk7 since around April and usually increase the dose to 10,000 iu in the winter months. We stop supplementing vit D before and sometime after our sunny holidays. 

Does anyone know how long it could take for the levels to slightly decrease, so we can carry on supplementing vit D, or perhaps when its worth testing again?   Also our 3 month results on dasatinib were great from 80% at diagnosis to 0.203 at 3 months and we are awaiting for our 6 months results. 

looking forward for your replies :) 

Hi, See the following link to Grassroots Health article about higher levels of Vit D -  Can You Benefit from Having Vitamin D Levels Over 60 ng/ml? 100 ng/ml?

Sandy

Sandy's video link above is an excellent summary.

Adding to it, taking higher levels of vitamin D3 (~10,000 IU's per day) will take weeks to months to raise vitamin D levels substantially from a baseline, typically doubling in ~3 months time. The reverse is true as well. If you are at a high level of vitamin D, say at 100 ng/ml and you stop supplementation and avoid the sun, in six to 12 weeks time, your levels will fall back to about 50 ng/ml (on average).

What is often missing in "news" articles about vitamin D is that it is very hard to raise vitamin D higher and higher to toxicity (>200 ng/ml) when supplementing below 10,000 IU's per day. Vitamin D increase is not linear. Toxicity reports often show the patient took doses over 50,000 IU"s per day for weeks and weeks before toxicity became pronounced. In other words, you would have to be taking 10-20 times the amount of the highest recommended dose of vitamin D3 for weeks and weeks to increase your D levels beyond toxicity.

No one should take more than 10,000 IU's per day of vitamin D3. And by adjusting dose (5,000 to 10,000) during the year you should be able to maintain vitamin D levels in the sweet spot for therapeutic benefit (i.e. 70 - 100 ng/ml). Adding vitamin K2 (menanquinone) to your protocol (200 - 400 mcg per day) will almost certainly minimize any excess vitamin D taken in. vitamin K2 uses D in the carboxylation reactions to keep calcium moving where it needs to go. Vitamin K2 is a sink for vitamin D. They work together. I find I have to take more D3, on average, just  to keep my D levels above 60 ng/ml. I have fallen below 50 a few times over the years even when taking 10,000 IU's per day ! (only in winter does this happen). That was a surprise. I test twice a year for vitamin D (March & September).

(*interestingly - when I am out in the Bahamas sun, around noon time with no shirt, my body makes a lot of D naturally (no sunscreen). I do not need to take ANY D3 supplement on these days. This is the only time when my D level has tested around 100 ng/ml.)