Personalized nutrition companies are more hype than help, scientists say

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Nourish3d's 3D printed food supplements. Image: Nourish3d

Vitamins and other dietary supplements are a $30 billion industry in the US. In addition to the bottles lining drugstore shelves, those products include a niche that promises to meet customers’ unique needs based on their specific data.

Those data come in a few different forms. Like Nourish3d, some other companies, including care/of and Persona, use an online questionnaire that covers questions such as goals and current diet. Persona and care/of then recommend personalized vitamin packs for customers to order.

Other companies use DNA testing to make their recommendations. PureGenomics, available only through healthcare providers, uses the results of 23andMe’s direct-to-consumer SNP test to sell its supplements. For example, the company states on its website, people with certain alleles of the gene BCMO1 may require a vitamin A supplement, if they aren’t eating foods high in the vitamin. TeloYears, by contrast, zeros in on telomere length, testing customers and delivering supplements it claims result in “measurably younger cells.”

Related article:  Which is more important to the gut microbiome? Genetics or environment?

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[Food researcher Marion] Nestle’s advice to people looking to optimize their nutritional intake right now isn’t complicated. “How about food?” she suggests. “That would be my starting position, is eat a healthy diet for heaven’s sakes.”

Read full, original post: Personalized Nutrition Companies’ Claims Overhyped: Scientists

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