What are nutraceuticals and why is government planning more regulations around them?

Though nutraceuticals are consumed widely, there is limited evidence of their health benefits in well-nourished adults. The government is planning tighter regulations on their quality, pricing and marketing aspects

from Moneycontrol Business News https://www.moneycontrol.com/news/business/whatnutraceuticals andis-government-planning-more-regulations around-them_17477091.html