Are D3 + K2 from Lanolin Toxic?
Claim: D3 + K2 from Lanolin is Super Toxic!
Someone posted on
Reddit:
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According to
ConsumerLab:
Vitamin D3 (cholecalciferol) from either lanolin in sheep's wool or from fish oil is the same compound. Vitamin D3 in most supplements has been chemically converted from a compound in lanolin, while that in fish oil is naturally produced (also by conversion of the same compound). Vitamin D3 from lanolin is just pennies per dose and is a less expensive source than from fish oil. Because vitamin D is best absorbed when taken with fats or oils, getting it from fish oil helps assure better absorption, but this can also be achieved by taking vitamin D with a meal which contains some fats/oils.
Eating fish can also be a great source of vitamin D. Sockeye (red) salmon is particularly rich in vitamin D and, interestingly, canned fish provides more vitamin D per ounce than cooked fish. For example, in a 3 ounce serving, canned sockeye salmon averages 716 IU of vitamin D versus 444 IU in cooked sockeye salmon.
In online forums some people allergic to wool have reported allergic reaction to taking vitamin D3, particularly at larger doses. There does not seem to be scientific research on this topic, but, if this is of concern, you can take vitamin D2. It may not be quite as effective as vitamin D3 at raising blood levels, but it can certainly help.
Vitamin D, Calcium, Magnesium and Vitamin K2
When supplementing, also remember to take synergistic effects with other nutrients into account. If you take high-dose vitamin D, you may also need to increase your intake of:- Magnesium
- Vitamin K2
- Calcium
These four nutrients — vitamins D and K2, calcium and magnesium — all work
in tandem, and rely on sufficient amounts of each to work optimally. Lack of
balance between these four nutrients is why calcium supplements have become
associated with increased risk of heart attack and stroke, and why some
experience symptoms of vitamin D toxicity. Here’s a summary of some of the
most important correlations between these nutrients:
- Excessive vitamin D in combination with lack of vitamin K2 may cause over-absorption of calcium, which in turn may result in calcium deposits in your heart and kidneys. Part of the explanation for these adverse side effects is that vitamin K2 keeps calcium in its appropriate place — in your teeth and bones and out of soft tissues and arteries.
- While the optimal ratios between vitamin D and vitamin K2 have yet to be established, taking somewhere between 100 to 200 micrograms (mcg) of K2 is beneficial. Telltale signs of vitamin K2 insufficiency include osteoporosis, heart disease and diabetes. You’re also more likely to be deficient if you rarely eat vitamin K2-rich foods.
- Vascular calcification is also a side effect of low magnesium, so when taking vitamin D3, you need both vitamin K2 and magnesium to make sure everything is working properly.
- Maintaining an appropriate calcium-to-magnesium ratio is also important, as magnesium helps keep calcium in your cells so they can function better. Based on your personal health needs an ideal ratio of calcium-to-magnesium may vary from 1-to-1 to an optimal 1-to-2. (R)
- Magnesium and vitamin K2 also complement each other, as magnesium helps lower blood pressure, which is an important component of heart disease.
Key Takeaway
It's important to remember that supplements are not a replacement for a
healthy diet and lifestyle, engaging in regular exercise, and reducing
stress. It's always best to talk to your doctor before starting any new
supplement program.
Live Wise Naturals Vitamin D3 with K2, Soy Free and Lanolin Free, Vegan Friendly
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