[ConservativeMind]

At 40 ng/mL of vitamin D in the blood, all cardiac events were cut in half.

85% of people with cardiac events had less than that, prior to receiving the vitamin D in this study.

Yes, you should know if you have adequate vitamin D, even if only checked one time, unless you can surmise you already get enough.

[ConservativeMind]

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[for-q-clinton]

What about D2?

[KittyKares]

D3 was even important in keeping one from getting a bad case of Covid, as I recall. I’m finding that Vitamin D is important for more aspects of health than I realized, especially since the levels seem to decline in old age.

[ConservativeMind]

My one vitamin D test showed I had 36 ng/mL.

I would be a little low, on this concern.

[Uncle Miltie]

“40 nanograms per ml (ng/mL)”

Checking in at 63 myself. Two Costco sized gelcaps per day, one each in the morning and evening.

[sauropod]

Been taking D3 for years.

[Red Badger]

I take 5000+ IUs every day...........

[montag813]

PLEASE make sure you use Vitamin D3 that your body can actually metabolize. The #1 best-absorbed D3 in ConsumerLab.com's tests was Bluebonnet. My father in law has seen dramatic improvement since his heart attack. I take this every morning after waking up.
It has the 5,000 I.U. this study recommends in a single drop:

Bluebonnet Nutrition Liquid Vitamin D3 Drops 5000 IU

P.S. Consumer Lab found a further 20% increase in absorption if taken before or after an oil-based food, such as fish or nuts.

[Ancesthntr]

Thanks for posting this study. I had a heart attack about 15 months ago, but for many years I have had a fairly high level of vitamin D. I haven’t tested it recently, but I was at 68 sometime in early 2021. I had been taking 5000 IU per day, usually with a fatty meal to increase absorption. However, I have switched to 10,000 IU mixed with 200 µg of vitamin K2. I have this every other day, again with a fatty meal, or perhaps some EV olive oil. I am sure that my vitamin D level is well above 40, so this study gives me a great deal of comfort. Of course, it is not the only thing that I am doing to try to prevent a second heart attack, but it is an important part of the overall self treatment plan that I have.

I think that it is also important for people taking D3 to understand that they also need to be taking supplements of K2. If you just take D3, you’re going to get a build up of calcium in soft tissue, which is not a good result. The K2 helps to direct calcium to where it belongs, which is in your bones and teeth, not in your soft tissues. I would also urge people not to just take my word for it, but to do some of their own research. There’s plenty of that online, so this is not exactly a big challenge.