What Alkaline Does To The Body

My friend Dave once drank a glass of water with a teaspoon of baking soda every morning for a month. He swore it gave him “infinite energy” and cured his heartburn. Two weeks later, his stomach was in full revolt, and his doctor told him to stop before he messed up his blood chemistry. Dave’s story is a perfect, fizzy example of why we need to talk about alkaline—and what it actually does to the body.

So, what even is “alkaline”?

In simple terms, alkaline is the opposite of acidic. Your body runs on a pH scale from 0 (super acidic) to 14 (super alkaline), with 7 being neutral. Blood, for example, likes to hang out at a tight 7.35 to 7.45. That’s slightly alkaline, and your body fights like a tiny, invisible bodyguard to keep it there. No, drinking alkaline water won’t magically change your blood pH—your lungs and kidneys are the real gatekeepers here.

But that doesn’t stop the internet from screaming that alkaline foods “detox” you. The truth? Your stomach’s pH is around 1.5 to 3.5—basically battery acid level. Anything you eat or drink gets hit with that acid instantly. So that $3 bottle of alkaline water? It’s neutralized before it even leaves your stomach. (Sorry to burst your bubble, or rather, your alkaline bubble.)

What alkaline can do (the good stuff)

Eating more alkaline-forming foods—like leafy greens, veggies, and fruits—can be a game-changer for your overall health. Why? Because those foods are also packed with fiber, vitamins, and minerals. They fight inflammation and support your kidneys, which are the true heroes of pH balance. A diet rich in these foods also helps buffer the acid from all that coffee, stress, and processed junk we love.

Some research suggests a more alkaline diet might protect muscle mass as you age. As your body gets older, it can pull calcium from your bones to neutralize acid. More greens mean fewer bone withdrawals. That’s a solid reason to eat your kale, even if you hate it. (Just drown it in lemon juice—ironic, right? Lemon tastes acidic but turns alkaline in your body.)

Alkaline vs. Acidic body – How to Know If You're Too Alkaline or Too

The dark side: when alkaline goes rogue

Here’s where we get into Dave territory. Drinking highly alkaline water (pH 9 or above) regularly can mess with your stomach acid. Your stomach needs that intense acid to break down food and kill bad bacteria. Lowering it too much? Hello, indigestion and gut infections. And no, your stomach won’t just “work harder”—it will punish you with gas, bloating, and regret.

There’s also a condition called metabolic alkalosis, which sounds scientific and scary. It happens when your blood becomes too alkaline. Symptoms include nausea, muscle twitching, hand tremors, and confusion. It’s rare from diet alone, but it’s a real risk with over-supplementing baking soda or alkaline powders. Your body is not a chemistry experiment. Don’t treat it like one.

What about those “alkaline water” claims?

You’ve seen the ads: better hydration, more energy, anti-aging. Here’s the kicker—there’s almost no solid human research to back most of it. A 2021 review in the Journal of Internal Medicine didn’t find convincing evidence for alkaline water benefits over regular water. And the “ionized” water trend? That’s mostly marketing hype that evaporates faster than your motivation to go to the gym.

Human Body Ph Balance Chart

One legit area is for acid reflux. Some studies suggest alkaline water with a pH of 8.8 might deactivate pepsin, an enzyme that causes heartburn. So if you have reflux, it could help—temporarily. But it’s not a cure. It’s like putting a band-aid on a leaky pipe while the basement floods. (Talk to your doctor, not a wellness influencer.)

The bottom line: your body is brilliantly autonomous

Your lungs, kidneys, and cells work non-stop to keep your pH in the perfect zone. They don’t need your help from a bottle or a powder. What they do need are whole foods, plenty of water (regular water), and less soda and booze. That’s the real alkaline “hack.”

Dave stopped his baking soda ritual after his stomach settled down. He now eats a big salad with dinner and feels way better. The lesson? Don’t chase a magical number on a pH strip. Listen to your body—it’s way smarter than any label. And if you’re still tempted by that “pH 10 water” at the grocery store? Save your money. Buy an avocado instead. Your inner alkaline guardian will thank you.