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Chocolate on a plant based diet: what the doctors say
Chocolate and cocoa on a plant based diet: what McDougall, Esselstyn, Ornish, Goldhamer and other doctors say, where they agree and differ, with sources.
Updated . For education only, not medical advice.
Our view
Chocolate starts as a plant food with no cholesterol, as McDougall pointed out in 2017, but a bar is mostly the bean’s fat plus added sugar and often milk12. McDougall singled out that fat, the cocoa butter, as the real trouble in chocolate, and Novick counted about 19 grams of saturated fat in the 100 grams of dark chocolate used in the blood pressure studies23.
We give most weight to the low-fat clinicians, and none of them treats chocolate as a health food: Goldhamer said in 2025 that its polyphenols do not make it healthy, Esselstyn in 2009 put chocolate with roast beef and ice cream as foods heart patients should not have even in moderation, and Novick in 2008 found the heart and cancer claims small or unproven453. Rogers adds another reason: in 2024 he reported that every chocolate product in a consumer test held some lead and cadmium, with dark chocolate tending to be worse6.
Where the low-fat doctors do allow chocolate flavor, it is as a treat made from defatted cocoa powder rather than a bar, as in the desserts McDougall serves and the cocoa recipes of the Ornish program27. Ornish’s own small daily square of dark chocolate is a matter of pleasure in his looser plan, not part of his program for reversing heart disease89.
Where they agree
The doctors who discuss chocolate agree that the bar people buy is a rich food: Goldhamer put it at about 2,500 calories a pound, Rogers called it high in fat and sugar, and Barnard noted its saturated fat101112. Even Ornish, who eats it, warned in his Spectrum pages that a large amount brings sugar, calories and saturated fat13.
They also agree that the fat, not the bean’s color or bitterness, is the main issue: McDougall blamed the cocoa butter, Ornish’s program leaves dark chocolate out of its reversal plan for the same reason, and Novick warned about the saturated fat in a daily 100 grams293. McDougall also blamed the milk and other ingredients that turn cocoa into candy bars and cream pies1.
On amount, those who allow it agree it should stay small: McDougall limited such rich plant foods to trim, healthy people in small amounts, Barnard said a little taste is unlikely to matter while a nightly candy bar binge shows on the scale and the cholesterol test, and Novick capped pure chocolate at about three quarters of an ounce141215.
Where they differ
The doctors split on whether chocolate belongs on the plate at all, whether cocoa has real health benefits, which form is acceptable, and how much its pull on cravings matters108316.
A small treat or nothing
Ornish wrote in The Spectrum that he eats a little dark chocolate nearly every day, and in 2014 described choosing the darkest, richest kind and letting a small piece melt slowly817. McDougall’s program has served brownies and chocolate pudding for decades, which he explained to Campbell in 2016 as the price of a diet people can live with18. Lisle said in 2026 that he does not treat chocolate as off limits and rates vegan chocolate a B minus that will not spoil an otherwise good day of eating1920. Esselstyn, speaking to heart patients in 2009, compared even occasional chocolate, ice cream and roast beef to pouring gasoline on a fire5, and Goldhamer said in 2025 that he does not see chocolate as health promoting10. Rogers said in 2024 that he would never eat it6.
Health claims for cocoa
Ornish’s Spectrum pages said in 2011 that a little dark chocolate each day may lower blood pressure13. Novick answered in 2008 that the drop in those studies was small, roughly 5 points in the top number and 2 in the bottom one, and took about 100 grams of dark chocolate a day, near 500 calories3. Goldhamer said in 2025 that cocoa may be less harmful than processed chocolate but is still not a health food, whatever its polyphenols4. Kahleova described in 2025 a 12 week trial in which older adults drank cocoa that was either high or low in flavanols, a comparison that linked the flavanols to higher levels of a brain growth factor and better thinking scores21. Nelson saw such findings with suspicion: in 2019 he used a deliberately weak chocolate weight loss study that the media spread worldwide as an example of marketing science, and in 2026 he mocked trials funded by the chocolate industry that found 20 to 50 grams a day did not change weight2223.
Bar, cocoa powder or neither
McDougall’s program makes its chocolate desserts from fat-free cocoa powder and sugar rather than chocolate bars2. Novick suggested in 2008 that people who want chocolate use a tablespoon or two of non-alkalized cocoa powder, mixed into plant milk, hot water or a mashed banana15, and the Ornish program likewise favors non-alkalized cocoa powder, capped at a tablespoon to limit caffeine7. Rip Esselstyn’s PLANTSTRONG site offers a hot chocolate of cocoa powder, maple syrup and the brand’s own almond milk24. Goldhamer does not use cocoa powder at TrueNorth because it naturally carries caffeine and other unwanted substances25, and Rogers said in 2025 that he steers clear of cocoa and other powdered foods over contaminants26.
Caffeine and changing rules at Ornish
The stricter reversal guidelines on Ornish’s Spectrum pages, archived in 2011, dropped chocolate and cocoa along with every other source of caffeine27. A later Ornish program page, archived in 2026 with reader questions from 2015, allows up to a tablespoon of cocoa powder for that reason while still leaving out dark chocolate for its cocoa butter79. Goldhamer’s center, which removes caffeine altogether, keeps cocoa out too1025.
Cravings
Barnard argued in a talk posted in 2019 that chocolate acts on people as a mild drug does, since naloxone, an opiate-blocking drug, removes the pull of chocolate in people who crave it16. Chef AJ said in 2023 that she once ate chocolate several times a day and doubted McDougall when he said such cravings could fade, yet after about four months on his diet it stopped calling to her28. Lisle said in 2026 that people differ: some must stay very strict for physical or addiction-like reasons, and he compared Goldhamer’s firm line to the stance of a person who manages a residential treatment unit for alcoholics2930. In a December 2025 talk Goldhamer named dark chocolate, along with coffee, red wine and olive oil, as products marketed to people as healthy31.
What each expert says
JMJohn McDougall
In his January 2012 newsletter McDougall named cocoa butter as the main problem in chocolate, said his program’s desserts use fat-free cocoa powder, and put chocolate in one rich group with nuts, seeds, avocados and olives, for trim, healthy people in small amounts214. In 2016 he told Campbell the program serves brownies and chocolate pudding to stay livable18, and in 2017 he called chocolate a plant food without cholesterol, spoiled by the milk and other ingredients of candy1.
In his 2009 talk on making yourself heart attack proof, Esselstyn showed a narrowed artery as the result of years of cheeseburgers, ice cream and chocolate32. He rejected moderation for people with heart disease, likening an occasional serving of roast beef, ice cream or chocolate to fuel thrown on a fire5.
Barnard said in 2021 that a small daily taste of dark chocolate is unlikely to hurt, but that a nightly candy bar binge adds enough saturated fat to show on the scale and in cholesterol12. A talk of his posted in 2019 called chocolate a mild drug, pointing to naloxone, which blunts the craving in heavy chocolate eaters16.
Ornish eats a little dark chocolate almost daily and opens his book The Spectrum with that habit, framed as enjoyment rather than cheating8. His Spectrum pages tied a small daily amount to lower blood pressure but dropped all caffeine, chocolate included, for reversal1327. A later program page keeps dark chocolate out of the reversal plan and allows a tablespoon of non-alkalized cocoa powder97.
When a viewer raised dark chocolate in August 2025, Goldhamer said it is not health promoting, noting that his TrueNorth center takes out caffeine, salt, sugar and oil and that chocolate carries about 2,500 calories a pound10. He keeps cocoa powder out of the center for its caffeine and said polyphenols do not turn cocoa into a health food254.
In a 2024 video Rogers cited a Consumer Reports test of 48 chocolate products that all contained lead and cadmium, about a third above the magazine’s level of concern336. In 2025 he called chocolate high-fat, highly processed junk food and said he avoids cocoa powder because of contaminants1126.
In a 2008 forum reply Novick found no good evidence that chocolate or cocoa prevents cancer and judged the blood pressure effect small for the calories and saturated fat it took; he also pointed to research finding lead in cocoa products3. His advice for anyone still wanting chocolate was one or two tablespoons of non-alkalized cocoa powder daily and a limit of roughly three quarters of an ounce for pure chocolate15.
In 2019 Nelson used the chocolate diet hoax, a weak study that spread through the world’s media, to show how commercial science sells foods22. In 2026 he mocked industry-funded trials reporting that a daily serving of dark chocolate leaves weight unchanged, comparing them with similar claims made for nuts23.
In a talk posted in 2018 Rip Esselstyn listed a chocolate mousse pie and whole-grain dark chocolate chip cookies among the desserts of his Engine 2 plan34. His PLANTSTRONG site gives a hot chocolate made with cocoa powder, maple syrup and the brand’s almond milk24.
Chef AJ said in 2023 that she used to need chocolate several times a day and did not believe McDougall when he told her the craving could go away28. About four months into his program, she said, it simply stopped calling to her28.
In 2025 Kahleova described a 12 week trial in older adults that compared a cocoa drink high in flavanols with one low in them and tied the flavanols to a rise in a brain growth factor and to better cognition21. In her 2022 rheumatoid arthritis study, chocolate was among the foods removed for three weeks and then added back one at a time to find personal triggers35.
In a 2026 Chef AJ episode Lisle said he does not consider chocolate out of bounds and never skips the chocolate pudding at McDougall’s program3619. He grades vegan chocolate a B minus and says each person has to know whether they are among those who need to stay strict2029.
We treat chocolate as an occasional treat rather than a health food, and when we want the flavor we follow the low-fat doctors who use plain cocoa powder in place of a bar4215. If chocolate tends to set off cravings for you, note that Lisle sees some people as needing to stay strict, and that Chef AJ found her own cravings faded once chocolate was gone2928. Anyone with heart disease or high cholesterol should ask their own doctor whether chocolate or cocoa fits. This page is education, not medical advice.
Each small number links to its reference below: the video at the exact second, or the page where it was said.