Indian hepatologist Cyriac Abby Philips, who is popularly known as 'The Liver Doc' on social media, launched a fresh attack on entrepreneur Bryan Johnson on Wednesday. Philips, who has been criticising Johnson's age-reversing treatment claims, said that the entrepreneur's new test kits are not backed by science.
Johnson is famous globally for spending fortunes on his body as part of his efforts to “reverse” the natural process of ageing. The venture capitalist also endorses his "Project Blueprint," which he claims is a science-backed regime aimed at extending human lifespan.
As part of this project, Johnson shared the details of some new supplements launched by Blueprint. In a post on X, he said that Blueprint has spent over $600,000 testing the ingredients of the products, which he personally consumes.
Hello Bryan, this just proves your products go through "good manufacturing practices," and does not equate to objective evidence for clinical efficacy and safety of the product claims, or validation of various expensive blood investigations made on your website, Blueprint.
April 2, 2025
For… https://t.co/X1npWkBAYxIn response to this post, Philips targeted Johnson and his products, and criticised his test kit recently, which claims to predict "blood age," "hormone age," and "immune system age." The kit is priced at $325 or about Rs 28,000. Philips argued that the test results lack scientific validation, stating that hormones in the body have different chemical properties, and there's no evidence to support categorising them by age. He also added that the test reports offered by Blueprint promote unproven, pseudoscientific concepts.
“Hello Bryan, this just proves your products go through "good manufacturing practices," and does not equate to objective evidence for clinical efficacy and safety of the product claims, or validation of various expensive blood investigations made on your website, Blueprint,” the doctor said.
He further criticised Blueprint's "scientific references," noting they rely on preprint servers and unvalidated research.
Notably, this is not the first time when Philips has targeted Johnson for his project and age reversal treatment claims. Earlier, he called the entrepreneur a "fraud", equating him to notorious fraudsters Elizabeth Holmes and Belle Gibson.
In response, Johnson had replied on the doctor's post: "Cyriac why are you so angry? Who hurt you?"
He further defended his project, noting that Blueprint's products have "independent and robust scientific evidence."
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