The Carb Conundrum: Why Biohacking Might Just Change Your Mind About Carbs
Carbohydrates—the dietary boogeyman of the 21st century. For decades, they’ve been vilified as the root of all metabolic evil, blamed for everything from obesity to diabetes. But what if I told you that the war on carbs is largely misguided? Personally, I think the real issue isn’t carbs themselves but how we’ve been taught to consume them. And if there’s one person who’s challenging this narrative, it’s Dave Asprey, the biohacking pioneer. His take on carbs is not just refreshing—it’s revolutionary.
The Keto Backlash: Why Going All-In Might Be a Mistake
Let’s start with the keto diet, the darling of the low-carb movement. In my opinion, keto has been oversold as a one-size-fits-all solution. While it’s undeniably effective for certain conditions, like drug-resistant epilepsy, its long-term sustainability is questionable. Asprey, who once championed keto, now argues that an unending low-carb lifestyle can wreak havoc on your gut, hormones, and even sleep. What many people don’t realize is that cutting out carbs entirely can deplete beneficial gut bacteria like Bifidobacteria, which are essential for digestion and immunity.
One thing that immediately stands out is the study Asprey references, which found that keto can elevate cholesterol levels and increase apolipoprotein B, a risk factor for arterial plaque. If you take a step back and think about it, this makes sense: our bodies are designed to use glucose as a primary energy source. Stripping that away completely can create imbalances that go beyond weight loss.
The Myth of ‘Toxic Carbs’: Not All Carbs Are Created Equal
Here’s where Asprey’s approach gets fascinating. He doesn’t advocate for a carb-free life; he advocates for smarter carb choices. What this really suggests is that the problem isn’t carbs—it’s toxic carbs. Ultra-processed grains, excessive fructose, and gluten-laden wheat are the real culprits. These foods spike blood sugar, damage the gut lining, and leave you crashing an hour later.
But not all carbs are villains. White rice, low-fructose fruits like blueberries, and properly fermented sourdough bread are carbs your body can actually use. A detail that I find especially interesting is Asprey’s recommendation to cook and cool rice before eating it. This simple step converts some of the starch into resistant starch, which feeds gut bacteria instead of spiking blood sugar. It’s a small tweak with a big impact.
The Art of Pairing: Carbs and Ketones, Sitting in a Tree
What makes Asprey’s approach particularly fascinating is his emphasis on pairing carbs with other nutrients. For instance, he often takes C8 MCT oil alongside carbs. Why? Because it converts to ketones quickly, providing an alternative fuel source for the brain. This raises a deeper question: What if the key to metabolic health isn’t restricting carbs but optimizing how we consume them?
From my perspective, this dual-fuel approach—glucose and ketones—is a game-changer. Different cells in the brain thrive on different fuels, and having both available can lead to noticeable improvements in energy and performance. It’s not about choosing one over the other; it’s about creating balance.
Beyond the Plate: The Bigger Picture of Metabolic Health
Here’s the thing: your diet is just one piece of the puzzle. Asprey stresses that overall health is the sum of everything you do—exercise, stress management, and even hormone monitoring. Resistance training, for example, can improve how your body processes carbs. And keeping stress levels in check? That’s non-negotiable. When you do these things, you magically have a metabolism that works way better and is able to handle carbs.
What this really implies is that biohacking isn’t just about what you eat—it’s about how you live. It’s a holistic approach that challenges the idea that diet alone can fix everything.
Final Thoughts: Carbs, Context, and Common Sense
Personally, I think Asprey’s take on carbs is a breath of fresh air in a world obsessed with dietary extremes. It’s not about demonizing or deifying carbs; it’s about understanding how they fit into your unique biology. If you’ve built metabolic flexibility—through smart eating, exercise, and stress management—your body knows what to do with carbohydrates.
What many people don’t realize is that the anti-carb movement has oversimplified a complex issue. Sugar isn’t poison; it’s a primary energy source. Excessive sugar is harmful, but some is normal and even necessary. The key is context, not restriction.
So, the next time someone tells you to swear off carbs, remember this: it’s not the carbs that are the problem—it’s how you’re eating them. And maybe, just maybe, it’s time to rethink the entire narrative.