Unpacking Corporate Influence on Dietary Guidelines

Concerns are surfacing about the potential influence of corporations on dietary guidelines, particularly involving the International Life Sciences Institute (ILSI), an organization often regarded as a front for major players in the food and beverage sector, including Coca-Cola.

In 2019, reviews published in the Annals of Internal Medicine echoed previous research, indicating that diets lower in red and processed meat could reduce the risk of premature death, cardiometabolic diseases, and certain cancers. Strikingly, the recommendations issued suggested that individuals should "continue current unprocessed red meat consumption" and "continue current processed meat consumption." This raises questions: how could such advice persist in the face of ample evidence linking these foods to severe health risks?

The roots of this conundrum trace back to 2015 when the Dietary Guidelines for Americans started urging reductions in sugar intake. Faced with mounting scientific evidence against sugar consumption, organizations like ILSI sprang into action. Manipulating the narrative surrounding health recommendations resembles tactics once employed by the tobacco industry, which infamously funded "unbiased" scientific groups to sway public opinion regarding smoking.

Initially created by a Coca-Cola executive, the ILSI has maintained a close relationship with corporate giants funding its operations—its annual budget reaching a staggering $17 million, chiefly from agribusiness and food companies. Health advocates have begun scrutinizing ILSI for allegedly prioritizing corporate interests over public health, as this organization has strategically placed itself within global food policy discussions.

After the 2015 guidelines advocated for reduced sugar intake, ILSI commissioned a review with Bradley Johnston as a lead author. This study aimed to discredit the sugar guidelines, claiming they lacked a solid scientific foundation. Critically, Johnston and his co-authors declared independence from ILSI while evidence later revealed that they were financially backed by major players in the sugar industry. The journal was forced to issue a correction after it became apparent that the authors had received significant influence from ILSI in the form of revision requests, highlighting the need for transparency in such research.

The situation even prompted criticism from unexpected quarters, with Mars—known for its popular candy products—denouncing the paper funded by the sugar industry. Despite being a member of ILSI, the company’s stance illustrated the extent to which the backlash against promotional tactics reached, as they recognized the damage to the industry's reputation.

Data from multiple studies indicate a troubling correlation between research funding sources and study conclusions. Papers sponsored by industries typically favorably skewed outputs toward commercial interests. Astonishingly, in interventional studies where industry funding was involved, the likelihood of producing unfavorable conclusions was found to be zero, signaling a problematic trend.

In light of these findings, questions arise about how scientific journals can counteract industry manipulation. Following a precedent set against tobacco industry influence, leading journals have begun to reject studies financed by tobacco entities outright. It stands to reason that similar measures could be taken against research funded by food and beverage companies—yet the publication of ILSI-sponsored studies indicates a lapse in judgment across many journals.

Fast-forward to the current situation, and new Dietary Guidelines for Americans are on the horizon. The latest advisory committee's scientific report not only reiterates the value of lower sugar diets but also calls for reduced meat consumption. As that push gained traction, the meat industry appears to have replicated the sugar industry's defensive playbook: the prominent recommendations to continue eating processed and unprocessed meats resurfaced, again helmed by Johnston.

Doctor’s Note

This piece marks the first installment in an eight-part series examining how corporate interests systematically shape dietary and health guidelines.

It’s crucial to be aware of how corporate influence can infiltrate advisory committees focused on dietary guidelines and public health. For a deeper dive into conflicts of interest among these advisory groups, check out Dietary Guidelines: Advisory Committee Conflicts of Interest. Additionally, delve into the enlightening history provided in The McGovern Report.