cloudiness or undissolved particles are a sign that something has gone wrong and the vial should be set aside for review with your prescriber
Effect of vitamin D supplementation on patients with systemic lupus erythematosus: A systematic review
StatPearls, Treasure Island (FL): StatPearls Publishing
Global, regional, and national disability-adjusted life-years (DALYs) for 333 diseases and injuries and healthy life expectancy (HALE) for 195 countries and territories, 1990-2016: a systematic analysis for the Global Burden of Disease Study 2016

Your doctor may recommend that you eat foods low in fat and fiber eat five or six small, nutritious meals a day instead of two or three large meals chew your food thoroughly eat soft, well-cooked foods avoid carbonated, or fizzy, beverages avoid alcohol drink plenty of water or liquids that contain glucose and electrolytes, such as low-fat broths or clear soups naturally sweetened, low-fiber fruit and vegetable juices sports drinks oral rehydration solutions do some gentle physical activity after a meal, such as taking a walk avoid lying down for 2 hours after a meal take a multivitamin each day If your symptoms are moderate to severe, your doctor may recommend drinking only liquids or eating well-cooked solid foods that have been processed into very small pieces or paste in a blender
Folic Acid Caution: High doses of folic acid can mask the blood-related symptoms of vitamin B12 deficiency, but do not protect against nerve damage