Sections. By Mark Flood, D.O. Annular tear symptoms can arise when the annulus fibrosus (the tough exterior) of an intervertebral disc rips. The outer layers of the annulus fibrosus near the vertebral endplates are replete with nerve fibers that are very sensitive to pain.ections. By Mark Flood, D.O. Annular tear symptoms can arise when the annulus fibrosus (the tough exterior) of an intervertebral disc rips. The outer layers of the annulus fibrosus near the vertebral endplates are replete with nerve fibers that are very sensitive to pain.
Those of us who are deficient and start on a vitamin D supplement usually take five to six weeks to reach the recommended level of vitamin D. If you're in doubt, it's always best to have a chat with your GP who might arrange a blood test. The B vitamins and vitamin C are all water soluble.
Very high levels of 25(OH)D can develop if you: 1  take more than 10,000 IU/day (but not equal to) everyday for 3 months or more. However, vitamin D toxicity is more likely to develop if you take 40,000 IU/day everyday for 3 months or more. 2  take more than 300,000 IU in a 24 hour period.