Opera glasses. Mother of pearl opera glasses and leather case. Opera glasses, also known as theater binoculars or Galilean binoculars, are compact, low-power optical magnification devices, usually used at performance events, whose name is derived from traditional use at opera performances.
A role for vitamin D in inflammation is supported by studies in laboratory animals. In particular, mice lacking the vitamin D receptor or the vitamin D activating enzyme, 25-hydroxyvitamin D3-1-hydroxylase, have increased susceptibility to inflammation, especially inflammation of the gastrointestinal tract (61-63).
5 Replies. The most commonly deficient vitamins for people dealing with rheumatoid arthritis are vitamin C, vitamin B6, folate (vitamin B9), vitamin D, vitamin B12 and vitamin E. It is preferable to get these vitamins in your diet however if that is not possible then supplements can be used. Folate (Folic Acid/ Vitamin B9) is not stored in the body so it is important to get a daily dose. 2  Folate deficiency can cause anemia, weight loss, loss of appetite, and diarrhea. 3  Folic acid is used to manufacture red blood cells. 4  It can be found in leafy green vegetables such as spinach and turnips greens.