The US Dietary Guidelines are supposed to be the world’s gold standard for nutrition advice—trusted recommendations that help millions of Americans live healthier lives. But the newly released 2024 guidelines? They’ve missed the mark.
Instead of seizing the opportunity to overhaul outdated advice, selective evidence and glaring blind spots, public health has taken a backseat.
We break down where the 2024 US Dietary Guidelines went wrong and why this matters, not just for Americans, but also for Australia, as we prepare to update our guidelines this year.
Recommendations that raise eyebrows
The 2024 guidelines include advice that doesn’t just feel outdated—it could actually do more harm than good:
Meat under fire: Red and processed meats are singled out as villains, with blanket advice to cut back. Yet there’s little evidence linking moderate meat consumption to significant health risks.
Push for plant proteins: Replacing nutrient-dense foods like meat, poultry and eggs with plant proteins like lentils and beans sounds healthy, but without proper planning, it risks leaving people deficient in essential nutrients like iron and B12.
Ultra-processed foods get a free ride: Despite growing evidence of their harm, ultra-processed foods (UPFs) are allowed to go unregulated and without limits or warnings. This omission is baffling, given that UPFs are consistently linked to obesity, diabetes, and chronic disease.
Saturated fat fearmongering: The outdated advice to avoid saturated fats and swap them for vegetable oils persists, even as newer research questions these recommendations.
Ultra-processed foods: A blind spot that’s hard to ignore
One of the biggest missteps is the refusal to recommend limits on ultra-processed foods. The claim of “limited evidence” feels like a smokescreen, especially given the strong bipartisan calls to tackle UPFs and their links to chronic disease.
It’s hard not to wonder: Is this oversight due to ignorance—or industry influence?
Double standards in evidence
The guidelines seem to cherry-pick when to rely on evidence:
Against Meat: Weak studies with inconclusive results are treated as gospel when demonising red meat, poultry and eggs.
For UPFs: The lack of evidence suddenly becomes a convenient excuse to avoid cracking down on UPFs.
This inconsistency damages public trust in health advice and raises serious questions about the motivations guiding these decisions.
What about nutritional gaps?
The guidelines acknowledge that cutting back on animal products could leave people short on vital nutrients like iron, zinc and B12. Yet, they still advocate reducing meat without offering realistic solutions to fill the nutritional gaps.
Worse, even the existing recommendations fall short of meeting population needs for key nutrients like fibre, potassium and vitamin D. This isn’t a recipe for better health—it’s a setup for more chronic disease.
Outdated science leads to outdated advice
The guidelines rely too heavily on flawed observational studies rather than robust clinical trials. This weak foundation undermines their credibility, particularly on major health issues like obesity, type 2 diabetes and heart disease.
Without stronger evidence, these recommendations aren’t just ineffective but potentially harmful.
Lessons for Australia
Australia’s dietary guidelines, due for review in 2025, face many of the same challenges. Here’s what we need to do differently:
Ditch outdated dogmas: Move away from old-school advice like prioritising grains or fearing saturated fats.
Champion low carb: Incorporate the growing evidence for low carb, nutrient-dense diets in managing chronic diseases like type 2 diabetes.
Cut industry ties: Ensure recommendations are free from the influence of food industry lobbying.
A system that needs fixing
The 2024 US Dietary Guidelines are a wake-up call for reform. Here’s how we can ensure future guidelines actually serve public health:
End industry influence: Transparency and independence are essential.
Focus on high-quality evidence: Clinical trials should set the standard.
Restore trust: Be upfront about how decisions are made and consistently apply evidence.
The final word
The new US guidelines highlight what happens when science is sidelined for politics and profit. Australia has a chance to do better with its 2025 update, but only if we put people’s health first, and politics and profits aside..
Public health deserves clear, evidence-based advice that empowers people, not outdated dogmas that confuse and mislead. Let’s demand better—because the stakes couldn’t be higher.