10.0/10 (8337 reviews)
Nutri Advanced Vitamin D3 with K2 drops. Formula supports bone health & the immune system. Our most popular Vitamin D3 supplement. Enriched with K2 to support bone health & immunity
- Contact Us
We're Here To Help
Get In Touch
- Meet The Team
Meet The Nutritional Experts
At NutriAdvanced.
- New In Products
Browse New, Extensively Researched
Products To Support Your Wellbeing
- Subscribe & Save 20%
20% off your favourite products.
No contract, cancel anytime.
- Subscriptions
Subscriptions to Nutri
Advanced.-Save money with our...
- Trusted By Professionals
Scientifically Tested & Proven
By The World's Best Doctors
- Contact Us
hollandandbarrett.com has been visited by 10K+ users in the past month
Visit The Health Hub For Expert Advice, Fitness Inspiration & Nutritious Recipes. Free Delivery When You Spend £30 Or Free Next Day Click & Collect From 800+ Stores.
- Offers
Don't Miss Out On Great Deals
Find Our Best Offers Here.
- H&B Expert
Our Most Advanced Vitamins
Expertly Formulated
- Subscribe & Save
Save Up To 5% On Orders When You
Subscribe To Your Favourite Items
- Who Are We
H&B International is one of the
world’s leading wellness retailers.
- Offers
Search results
Blood vessel flow (calcium) Without enough vitamin D or calcium, your parathyroid glands compensate by producing too much of their hormone, a condition called hyperparathyroidism. That can lead to bone weakening (osteoporosis) and increased fracture risk.
May 22, 2018 · While a large number of studies suggest that vitamin D excess (i.e., hypervitaminosis D) is associated with extensive calcification, others report that deficiency also promotes calcification, with long-term supplementation providing protective effects.
- Jeffrey Wang, Jimmy J. Zhou, Graham R. Robertson, Vincent W. Lee
- 10.3390/nu10050652
- 2018
- Nutrients. 2018 May; 10(5): 652.
Vitamin D helps regulate the amount of calcium and phosphate in the body. These nutrients are needed to keep bones, teeth and muscles healthy. A lack of vitamin D can lead to bone deformities such as rickets in children, and bone pain caused by a condition called osteomalacia in adults.
Jul 29, 2021 · Vitamin D supplements contain either vitamin D2 (ergocalciferol) or vitamin D3 (cholecalciferol). Both forms are effective, though D3 appears to result in higher levels in the blood.
Jun 3, 2024 · Taking too much vitamin D over a long period of time can cause calcium to build up in the body, which can actually weaken bones and damage your heart and kidneys. This is known as hypercalcaemia. The NHS advises the following upper safety limits for vitamin D: Adults – max 100mcg (4000IU) a day; Children aged 10 and under – max 50mcg ...
In turn, calcitriol stimulates enhanced calcium absorption from the gut. Not surprisingly, the interplay between the dynamics of calcium and vitamin D often complicates the interpretation of data relative to calcium requirements, deficiency states, and excess intake.
People also ask
Is vitamin D homeostasis causing vascular vascular disease (VC)?
Is vitamin D required for normal calcium and bone metabolism?
Does 1,25-dihydroxyvitamin D3 increase vascular calcification?
Jul 11, 2014 · The best-characterized vitamin D effects are enhanced intestinal calcium absorption and an increase in plasma calcium level. The biological effects of 1,25-VitD3, however, extend far beyond calcium metabolism.