The phrase "a number of supplements" is correct and usable in written English.
It can be used when referring to multiple supplements, typically in contexts related to health, nutrition, or dietary products.
Example: "The doctor recommended a number of supplements to improve my overall health."
Alternatives: "several supplements" or "various supplements".
A number of supplements contain brain and adrenal glands.
"I had hydrocodone for my hand, and there were a number of supplements," he told more than 100 members of the news media.
For example, people who have had weight-loss surgery may require a number of supplements including A, D, E, K, and B vitamins, iron, calcium, zinc, copper, and magnesium, among other things.
They also claimed that Xuereb had provided Powell and his training partner Sherone Simpson with a number of supplements, one of which they believe contains the banned substance oxilofrine, which both athletes tested positive for at the Jamaican championships last month.
Below are a number of supplements to use preventively for an average adult, not currently taking other medications.
I recommended a number of supplements such as Vitamin C and bioflavonoids to stabilize mast cell membranes in the blood; mast cells release histamine, one of the compounds in blood that causes allergy symptoms.
It looked at a number of popular supplements and assessed whether the claims made on their packaging were in line with what the EU's European Food Safety Authority (Efsa) allows.
A number of common supplements and drugs can boost the immune system's ability to ward off the flu and reduce symptoms once you have it, said Jeffrey Gelfand, a physician at Massachusetts General Hospital at the CIMIT Center for Integrationn of Medicine and Innovative Technology) Innovation Congress this morning in Boston.
A number of dietary supplements, botanicals, foods, and specific cleansing diets can help detoxify many of these pollutants.
Although a number of dietary supplements, drugs and sleeping pills are sometimes recommended as jet-lag cures, I cannot recommend any as beneficial at this time.
In addition to the raft of prescription and OTC allergy medications, there are a number of natural supplements that may be effective in quelling symptoms -- potentially with fewer side effects.
