Third-person singular simple present indicative form of supplement.(verb)
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Use "supplements" in a sentence
"The seller of vitamins and other nutritional supplements is forging ahead with growth plans, despite canceling its IPO in February, says spokeswoman Susan McLaughlin."
"I can think of two major problems with vitamin supplements:"
"Zinc, an element used in industries from battery making to dietary supplements, is particularly critical to China's industrial base."