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(https://nypost.com/2026/10/04/health/youre-likely-to-live-longer-if-one-of-your-parents-has-a-rare-trait/) (You’re more likely to live longer if one of your parents has a special rare trait)  You’re more likely to live longer if one of your parents...    (https://nypost.com/2026/10/04/health/nipple-twisting-prank-between-friends-may-have-saved-mans-life/) (Nipple-twisting prank between friends may have saved man’s life)  Nipple-twisting prank between friends may have saved man’s...    (https://nypost.com/2026/10/02/health/new-weight-loss-drug-targets-belly-fat-and-can-give-flatter-stomach-in-weeks/) (New weight-loss drug could give you a ‘flatter stomach’ in mere weeks — and unlike Ozempic, it targets belly fat directly)  New weight-loss drug could give you a ‘flatter...    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(https://nypost.com/2026/10/01/health/dad-autism-miracle-drug-drastically-improved-my-sons-symptoms/) (Dad says autism ‘miracle drug’ drastically and immediately improved his son’s severe symptoms)  Dad says autism ‘miracle drug’ drastically and...                     (https://nypost.com/health/) Health  exclusive   How Tanya Zuckerbrot lost her $40M diet empire to one troll, and the six year fight for justice  By (https://nypost.com/author/sara-nathan/) Sara Nathan    Published  Oct. 4, 2026, 7:00 a.m. ET      See more of our coverage in your search results.        Make New York Post a Preferred Source           ()    How does a fashion influencer with no medical or nutrition qualifications bring down a $40 million diet empire, with only a phone? Emily Gellis managed to do just that after accusing (https://pagesix.com/2020/10/08/tanya-zuckerbrot-suing-emily-gellis-for-allegedly-trying-to-destroy-f-factor-diet/) F-Factor dieting guru Tanya Zuckerbrot of poisoning people — while subjecting her to years of relentless online attacks, calling her the “scum of the earth”. The health and wellness business Zuckerbrot had spent 25 years building, drawing in New York’s elite and a celebrity clientele, was effectively destroyed. (Open a slideshow of all 15 article images.) (Tanya Zuckerbrot sits on a white couch in her Midtown Manhattan apartment, with floor-to-ceiling windows showing the city skyline behind her.)  15     Tanya Zuckerbrot poses in her Midtown apartment in Manhattan, New York City, on Monday, July 20, 2026. Olga Ginzburg for the N.Y. Post   Now, after a (https://pagesix.com/2022/03/11/tanya-zuckerbrot-sues-emily-gellis-in-new-defamation-suit/) six-year legal battle , Gellis, 40, has finally agreed to (https://www.instagram.com/reels/Dd_sYxexRpl/) publicly apologize  and pay Zuckerbrot $240,000, according to publicly available New York court transcripts.  “You don’t understand what I lived with,” Zuckerbrot, 55, said of the witch hunt. “People watched my life being destroyed — to them, it was entertainment. But this isn’t gossip, it’s my life.” Explore More  (https://nypost.com/2026/10/04/health/youre-likely-to-live-longer-if-one-of-your-parents-has-a-rare-trait/) (Low-angle shot of a happy multiracial family of four smiling outdoors.)    (https://nypost.com/2026/10/04/health/youre-likely-to-live-longer-if-one-of-your-parents-has-a-rare-trait/) You’re more likely to live longer if one of your parents has a special rare trait      (https://nypost.com/2026/10/04/health/nipple-twisting-prank-between-friends-may-have-saved-mans-life/) ()    (https://nypost.com/2026/10/04/health/nipple-twisting-prank-between-friends-may-have-saved-mans-life/) Nipple-twisting prank between friends may have saved man’s life      (https://nypost.com/2026/10/02/health/new-weight-loss-drug-targets-belly-fat-and-can-give-flatter-stomach-in-weeks/) (An overweight woman wraps a tape measure around her waist.)    (https://nypost.com/2026/10/02/health/new-weight-loss-drug-targets-belly-fat-and-can-give-flatter-stomach-in-weeks/) New weight-loss drug could give you a ‘flatter stomach’ in mere weeks — and unlike Ozempic, it targets belly fat directly            (https://www.instagram.com/reel/Dd_sYxexRpl/?utm_source=ig_embed&utm_campaign=loading)             View this post on Instagram                       Aside from her allegations about Zuckerbrot’s products, Gellis accused the mom-of-five of using drugs, failing to pay taxes and engaging in criminal activity — all of which was untrue. She told her Instagram followers, who now number 185,000, that Zuckerbrot was a “powder-pushing, money-hungry, disgusting, gaslighting, greedy woman”, who ran a “cult-like” operation. (Open a slideshow of all 15 article images.) (Designer Emily Gellis poses in a black dress in front of a backdrop with the name "Emily Cho" printed repeatedly.)  15     Designer Emily Gellis attends the Operation Warm Charity Event hosted by Emily Cho at Asselina Gansevoort Park Hotel in New York City on Tuesday, Oct. 25, 2011. Fernando Leon   Zuckerbrot said Gellis ultimately posted more than 50,000 videos about her and F-Factor. “You can’t imagine what it feels like to be hunted,” she said. “I couldn’t leave the house. I would have panic attacks in the supermarket. I thought the world was believing what was being written about me.” The registered dietitian said she lost millions in business and ultimately spent more than $1 million on lawyers fighting back. But the toll went far beyond money, as Zuckerbrot admitted the campaign left her suicidal. “I lived with a cyber stalker,” she said. (Open a slideshow of all 15 article images.) (A pouch of F-Factor 20/20 Fiber/Protein chocolate shake powder alongside a glass of chocolate shake garnished with strawberries and a straw.)  15     One of the F-Factor products. F-Factor   It all started in 2020, at the beginning of the pandemic, when Gellis — who dubbed herself an “accidental activist” — began publicizing anonymous testimonials from followers claiming they had suffered serious physical and mental-health problems while following the F-Factor diet. She had never met Zuckerbrot. But in just 75 days, Gellis posted more than 4,500 Instagram stories and posts about Zuckerbrot and F-Factor, according to court papers. Gellis linked the products to everything from gastric distress and hair loss to panic attacks, UTIs, miscarriages and even death. (Open a slideshow of all 15 article images.) (Anthony Westreich and Tanya Zuckerbrot pose together in front of a branded backdrop at a garden reception.)  15     Anthony Westreich, left, and Zuckerbrot attend the Garden Reception Fundraiser For The Lawfare Project And End Jew Hatred on Thursday, July 11, 2024, in Watermill, New York. Getty Images for End Jew Hatred/ The Lawfare Project   She also alleged F-Factor’s fiber powders contained dangerous levels of arsenic and contacted the company’s retail partner Bloomingdale’s to warn that it was selling “poison.” Zuckerbrot, who has a master’s degree in nutrition and food studies from NYU, launched her F-Factor 20/20 fiber and protein powders and bars in 2018. According to court papers seen by the Post, the products were manufactured in a pharmaceutical-grade facility and tested for microbiological safety, heavy metals and the accuracy of their label claims. Within two years, Zuckerbrot said, the company was generating more than $1 million a month and had been valued at more than $40 million. (Open a slideshow of all 15 article images.) (Tanya Zuckerbrot poses with three bags of F-Factor 20/20 Fiber/Protein products in her Midtown apartment.)  15     Zuckerbrot is coming out of a six-year legal battle with influencer Emily Gellis, who accused Zuckerbrot of selling wellness products from her company, F-Factor, that purportedly made people seriously ill. Olga Ginzburg for the N.Y. Post   As the controversy exploded in August 2020, (https://www.today.com/video/f-factor-founder-tanya-zuckerbrot-addresses-health-concerns-around-products-90727493546) Zuckerbrot went on the “Today” show  and released a certificate of analysis for F-Factor’s chocolate fiber/protein powder. NBC News had the document independently reviewed by two nutrition consultants, who said the trace amounts of metals, including arsenic and lead, were at safe levels. “Anything grown in the soil, even organically … can contain trace amounts of metals,” Zuckerbrot said at the time. (Open a slideshow of all 15 article images.) (Tanya Zuckerbrot seated in her Midtown apartment in Manhattan, New York.)  15     Zuckerbrot first launched F-Factor’s powders and bars in 2018. Olga Ginzburg for the N.Y. Post   “It does not mean that they are not safe for consumption. In fact, we have the highest standards of testing to ensure our products are 100% safe for consumption.” She added: “I do regret that we did not share this information sooner.” But the online onslaught continued. “At first, we’ were ignoring her,” Zuckerbrot told The Post. “We knew our products are safe.” (Open a slideshow of all 15 article images.) (Collage of Sheinelle Jones interviewing F-Factor founder Tanya Zuckerbrot on the TODAY show.)  15     Zuckerbrot talks to Sheinelle Jones about controversy surrounding the products, including claims that they caused severe side effects and health complications. TODAY   Gellis went on to claim that more than 10,000 people had contacted her with complaints about F-Factor. That number would become one of the most significant issues in their eventual legal battle. Zuckerbrot revealed that evidence obtained during discovery showed that Gellis had fewer than 100 complaints. And Gellis, a married mom-of-two, has now acknowledged that her claims about the sheer number of purported victims were inaccurate. (Open a slideshow of all 15 article images.) (A screenshot of a video interview with Tanya Zuckerbrot, founder of the F-Factor diet, speaking on the "3rd Hour Today" show.)  15     Gellis posted over 4,500 Instagram stories and posts with claims about F-Factor, according to court papers. TODAY   Thousands of social-media posts about F-Factor were not thousands of individual complaints. And reports of symptoms did not, without medical evidence, establish that F-Factor products had caused them. But by the time the true scale of the complaints emerged in discovery, the (https://nypost.com/2019/11/20/instagram-star-tanya-zuckerbrot-drops-22m-on-park-ave-pad/) damage had already been done.  The allegations had become a national story, and the New York Times ran a major piece featuring Gellis posing for a glossy photo shoot, headlined, “The Great Diet Crash: A Crusade Against Tanya Zuckerbrot’s F-Factor Diet.” (Open a slideshow of all 15 article images.) (Handbag designer Emily Gellis attends the Row6: Six Degrees of Integration exhibition opening.)  15     Gellis also alleged that Zuckerbrot was sending people to stalk her. WireImage   And what had begun as claims about diet products became increasingly personal. Gellis compared Zuckerbrot to perverts Jeffrey Epstein and Harvey Weinstein as well as members of the Sackler family (who owned Purdue Pharma, which played a large role in the opioid crisis) and called her a “danger to society.” She made allegations about drugs, taxes and criminal behavior, and even claimed that Zuckerbrot was sending people to stalk, harass, and intimidate her.Now, six years later, Gellis has admitted that she got it badly wrong. (Open a slideshow of all 15 article images.) (Tanya Zuckerbrot and Anthony Westreich pose together in front of a branded event backdrop.)  15     Zuckerbrot and Westreich attend the American Friends of Soroka Medical Center Hope Healing and Heroism Gala at The Plaza Hotel in New York, Monday, Nov. 17, 2025. Patrick McMullan via Getty Images   “What began as an inquiry evolved into a sustained and harmful campaign that was not grounded in verified facts,” Gellis said in a public apology filed in New York Supreme Court as part of the settlement of Zuckerbrot’s lawsuit. Of some of the personal allegations she made about Zuckerbrot, Gellis was even more direct. “None of these statements were true,” she said. She also acknowledged that she went after the relationships underpinning Zuckerbrot’s business, contacting brand partners, celebrity clients and ambassadors and urging them to distance themselves from F-Factor. (Open a slideshow of all 15 article images.) (Tanya Zuckerbrot in her Midtown apartment.)  15     Zuckerbrot will receive $240,000 from Gellis after the legal battle. Olga Ginzburg for the N.Y. Post   “I did not rely on medical, scientific, or qualified expert analysis,” Gellis said. “I relied heavily on unverified and anonymous information from social media, which I presented as fact.” “I contacted Bloomingdale’s, her retail partner, and told them they were selling ‘poison,’” she said. “I reached out to brand partners, celebrity clients, and ambassadors — pressuring them to denounce her, drop her, and distance themselves from F-Factor.” “She told people I worked with, ‘If you don’t denounce her, I’m coming for you next.’ No one felt safe defending me,” Zuckerbrot said. Gellis admitted that she blocked Zuckerbrot, her employees and others who attempted to respond — cutting herself off from information that could have challenged what she was posting. (Open a slideshow of all 15 article images.) (An F-Factor Chocolate Brownie Fiber/Protein Bar with chocolate brownie pieces and crumbs scattered on a white marble surface.)  15     An F-Factor Chocolate Brownie Fiber/Protein Bar. F-Factor   “Instead of pausing to reassess, I continued,” she said. For Zuckerbrot, those admissions explain why she insists this was never simply a six-year quest to wring an apology from Gellis. She sued, she said, to stop the alleged defamation, cyberstalking and harassment — and to protect her name, family and business. The apology came with the settlement. “My actions created a hostile online environment that contributed to humiliation and isolation,” Gellis said. (Open a slideshow of all 15 article images.) (Tanya Zuckerbrot stands in her Midtown apartment.)  15     Zuckerbrot will receive a $500 installment every month for the next 40 years. Olga Ginzburg for the N.Y. Post   “I cannot undo the damage that was done. But I can take responsibility for my actions, and I do so here, fully and publicly.” “To Tanya Zuckerbrot, I am deeply sorry. Yes, I want to say that again. I am deeply sorry.” Zuckerbrot’s attorney told the Post, “In accordance with the Court’s Order entered on September 22, 2026 Ms. Gellis’s comment remains that the litigation between Ms. Zuckerbrot and her has been settled.” With the settlement Zuckerbrot “wanted the amount to reflect the emotional harm she caused. The $240,000 represents the medical bills for the trauma treatment that helped save my life.   (Open a slideshow of all 15 article images.) (Tanya Zuckerbrot poses in her Midtown apartment with F-Factor products against a New York City backdrop.)  15     Zuckerbrot in her Midtown apartment with her F-Factor products. Olga Ginzburg for the N.Y. Post   (Open a slideshow of all 15 article images.) (Tanya Zuckerbrot, founder and CEO of F-Factor diet, addresses health concerns in an interview.)  15     Gellis talks to Sheinelle Jones about controversy surrounding F-Factor products after claims of alleged health complications. TODAY   “I explained to the judge that her actions drove me — a mother of five — to the point of almost taking my own life. Without the help of my trauma doctors, I do not believe I would be alive today.” And there is particular symbolism for Zuckerbrot in how the (https://nypost.com/2022/10/12/new-suit-claims-f-factor-diet-causes-serious-health-issues/) settlement will be paid.  “The $500 she will pay each month for the next 40 years will serve as a monthly reminder of the pain and suffering she caused and the treatment I needed to survive it.”  Zuckerbrot, who is married to corporate real estate investor Anthony Westreich, is now preparing to relaunch F-Factor in 2027 — and has no intention of rebranding. “Absolutely not,” she said. “I’m proud of F-Factor and the thousands of people who have lived healthier lives because of it. I’m excited to bring our products back to market and back to the F-Factor community.”  Filed under (https://nypost.com/health-and-wellness-products/) health and wellness products   (https://nypost.com/tag/lawsuits/) lawsuits   (https://nypost.com/tag/supplements/) supplements   (https://nypost.com/tag/tanya-zuckerbrot/) Tanya Zuckerbrot   (https://nypost.com/2026/10/04/) 10/4/26    (https://nypost.com/2026/10/04/health/silent-heart-threat-found-in-adults-under-30-with-no-known-cardiovascular-disease/) Read Next  (https://nypost.com/2026/10/04/health/silent-heart-threat-found-in-adults-under-30-with-no-known-cardiovascular-disease/) Silent heart threat found in adults under 30 with no known...                              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Meh? This hair mask I tried in Korea is the best — and seriously affordable)  Frizz?  Damage? Meh? This hair mask I tried in Korea is the best — and seriously affordable     (https://nypost.com/2026/10/02/shopping/good-molecules-eye-patches-are-just-14-before-prime-day/) (You won’t believe how awake these under-eye patches will make you look — and they’re only $14)  You won’t believe how awake these under-eye patches will make you look — and they’re only $14                     Image gallery      (Tanya Zuckerbrot sits on a white couch in her Midtown Manhattan apartment, with floor-to-ceiling windows showing the city skyline behind her.)   Tanya Zuckerbrot poses in her Midtown apartment in Manhattan, New York City, on Monday, July 20, 2026. Olga Ginzburg for the N.Y. Post   (Designer Emily Gellis poses in a black dress in front of a backdrop with the name "Emily Cho" printed repeatedly.)   Designer Emily Gellis attends the Operation Warm Charity Event hosted by Emily Cho at Asselina Gansevoort Park Hotel in New York City on Tuesday, Oct. 25, 2011. Fernando Leon   (A pouch of F-Factor 20/20 Fiber/Protein chocolate shake powder alongside a glass of chocolate shake garnished with strawberries and a straw.)   One of the F-Factor products. F-Factor   (Anthony Westreich and Tanya Zuckerbrot pose together in front of a branded backdrop at a garden reception.)   Anthony Westreich, left, and Zuckerbrot attend the Garden Reception Fundraiser For The Lawfare Project And End Jew Hatred on Thursday, July 11, 2024, in Watermill, New York. Getty Images for End Jew Hatred/ The Lawfare Project   (Tanya Zuckerbrot poses with three bags of F-Factor 20/20 Fiber/Protein products in her Midtown apartment.)   Zuckerbrot is coming out of a six-year legal battle with influencer Emily Gellis, who accused Zuckerbrot of selling wellness products from her company, F-Factor, that purportedly made people seriously ill. Olga Ginzburg for the N.Y. Post   (Tanya Zuckerbrot seated in her Midtown apartment in Manhattan, New York.)   Zuckerbrot first launched F-Factor's powders and bars in 2018. Olga Ginzburg for the N.Y. Post   (Collage of Sheinelle Jones interviewing F-Factor founder Tanya Zuckerbrot on the TODAY show.)   Zuckerbrot talks to Sheinelle Jones about controversy surrounding the products, including claims that they caused severe side effects and health complications. TODAY   (A screenshot of a video interview with Tanya Zuckerbrot, founder of the F-Factor diet, speaking on the "3rd Hour Today" show.)   Gellis posted over 4,500 Instagram stories and posts with claims about F-Factor, according to court papers. TODAY   (Handbag designer Emily Gellis attends the Row6: Six Degrees of Integration exhibition opening.)   Gellis also alleged that Zuckerbrot was sending people to stalk her. WireImage   (Tanya Zuckerbrot and Anthony Westreich pose together in front of a branded event backdrop.)   Zuckerbrot and Westreich attend the American Friends of Soroka Medical Center Hope Healing and Heroism Gala at The Plaza Hotel in New York, Monday, Nov. 17, 2025. Patrick McMullan via Getty Images   (Tanya Zuckerbrot in her Midtown apartment.)   Zuckerbrot will receive $240,000 from Gellis after the legal battle. Olga Ginzburg for the N.Y. Post   (An F-Factor Chocolate Brownie Fiber/Protein Bar with chocolate brownie pieces and crumbs scattered on a white marble surface.)   An F-Factor Chocolate Brownie Fiber/Protein Bar. F-Factor   (Tanya Zuckerbrot stands in her Midtown apartment.)   Zuckerbrot will receive a $500 installment every month for the next 40 years. Olga Ginzburg for the N.Y. Post   (Tanya Zuckerbrot poses in her Midtown apartment with F-Factor products against a New York City backdrop.)   Zuckerbrot in her Midtown apartment with her F-Factor products. Olga Ginzburg for the N.Y. Post   (Tanya Zuckerbrot, founder and CEO of F-Factor diet, addresses health concerns in an interview.)   Gellis talks to Sheinelle Jones about controversy surrounding F-Factor products after claims of alleged health complications. 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