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The length of time for the expiration date or "best used before" date depends on the type of product, as well as the brand.
Perishable items (such as flax oils or certain probiotics) generally have shorter expiration dates. Although our warehouse is fully air-conditioned, these more fragile items are put in cold storage (freezer or refrigeration unit) for maximum freshness.
Our receiving department does its best to verify and then enter the correct expiration dates for all incoming products. However, discrepancies do occur from time to time. This being said, the exceptionally high turnover at iHerb ensures that our inventory is among the freshest in the industry.
Vitamin D in liquid form for easy dosing
It is essential to maintain healthy vitamin D levels throughout all stages of life, from fetal development to old age. Vitamin D helps protect a number of important functions in the body. The current recommended daily vitamin D intake of 200-600 IU for adults is based on the minimum allowance to protect against bone disease. However, an upward revision of the FDA's guideline is now under consideration in light of new research, especially pertaining to immune function. Although direct sunlight exposure is a good source of vitamin D, many people do not get enough sun due to season change, latitude, or lifestyle. Therefore, vitamin D supplementation can be of great benefit in these cases.
The Vitamin D Council (VDC) is a non-profit organization of medical professionals, vitamin D researchers, and concerned citizens whose goal is to educate professionals and the public on vitamin D deficiency and its associated health risks. The VDC recommends an average of 5,000 IU/day vitamin D for adults. Better yet, they suggest testing 25-hydroxyvitamin D levels and dosing accordingly. Ideal blood levels should fall between 50-80 ng/mL.
Infants should not receive more than 400 IU/day, which is the daily dose of vitamin D supplement that the American Academy of Pediatrics recommends for breast-fed and partially breast-fed infants.
Thorne Research's Vitamin D Liquid is in a base of medium chain triglyceride oil, preserved with mixed tocopherols.
Take 2 drops one to three times daily or as recommended by your health-care practitioner. Invert bottle to dispense individual drops. May be added to food or mixed in beverages.
Medium chain triglycerides oil, mixed tocopherols.
Tamper Evident: Use only if bottle is sealed.
If pregnant, consult your health-care practitioner before using this product. Store tightly sealed in a cool, dry place.
| Supplement Facts | ||
| Serving Size: Two Drops | ||
| Servings Per Container: 600 | ||
| Two Drops Contain: | Amount Per Serving | %Daily Value |
| Vitamin D (as Vitamin D3) | 1,000 IU | 250% |
| Daily Value (DV) | ||
Verified Purchase
Extremely fast absorption and effective product. However, if you don't find the idea of taking a few drops of oil on your tongue, as it is in an oil base, then you may not like this product; it is not unbearable though. For most supplementation purposes a total of 5000 IU per day is usually recommended which is equivalent to 10 drops. In Lyme, Vitamin D is absolutely essential to healing the illness and without it the healing process can take up to 50% longer. If you are depleted in this vitamin you may want to gradually increase the amount as it will stimulate the immune system and cause die-off and the Herxheimer reaction. ***Feel free to visit my page for my other reviews on Lyme disease related products***
Posted by iHerb Customer on May 22, 2017 | Verified Purchase
The only vitamin D brand i will ever buy again! For years my daughter had very low vitamin D levels. Of course the doctors never told us the importance of it. My mistake for trusting them. For years we tried to get her levels up but nothing was working. A combo of this and the thorne vitamin D with K/2 did the trick. Levels went from 18 to 67 in a couple of months!!!
Posted by iHerb Customer on May 17, 2017 | Verified Purchase
Great that vitamin D comes in liquid form, makes it so much easier for smaller children to take.
Posted by iHerb Customer on Feb 23, 2017 | Verified Purchase
I was very low in Vit D. After taking this my Vit D is now in a normal range.
Posted by iHerb Customer on May 22, 2016 | Verified Purchase
This definitely works to elevate your vitamin D level!
Posted by iHerb Customer on Apr 30, 2016 | Verified Purchase
After a few weeks of taking the supplement I started getting terrible acne on my forehead and brow line. I've never had cystic acne before. After doing some research, I discovered that I can't tolerate vitamin d supplements. The acne cleared up after I stopped taking it. I bought a Sperti UV lamp because I want to get vitamin d naturally. It won't raise your vitamin d level too much, but it works. I use the lamp everyday and my d level stays around 50 mg.
