4 min read
My editor issued the challenge: eat a pickle every single day for a week and report back. Honestly, it wasn’t hard to say yes. I love pickles! I regularly enjoy them chopped into my tuna salad, layered on sandwiches, or eaten straight from the jar as a crunchy snack. And as a dietitian, I was already curious whether eating a pickle every day is actually a healthy habit, so this felt less like a dare and more like a nutrition question worth exploring.
I chose fermented pickles (found in the refrigerated section), not the shelf-stable pickles lining grocery shelves. That distinction really matters: Fermented pickles go through lactic acid fermentation, which is a natural process that results in the pickles having live beneficial bacterial cultures (the type you’re after when you eat yogurt). Traditional pickles skip the fermentation process entirely; they’re brined in vinegar to produce that satisfying tang, so they’re not a probiotic food like fermented pickles are. Now on to the fun!
Here’s what happened when I ate a pickle every day for a week.
What Happened When I Ate Pickles Every Day for a Week
A week of daily pickles taught me a few things, starting with how quickly I noticed slight changes to my body. The first two days brought some bloating and gas. Nothing dramatic, but definitely noticeable. Was I surprised? Not even slightly. I’ll admit that I don’t actually eat fermented foods every day, even though I recommend them to my clients (do as I say, not as I do, right?)—and when you suddenly add fermented foods to your routine, your gut bacteria need a little time to adjust and balance out. By day three, everything settled down and I noticed bloating relief and steadier digestion for the rest of the week.
Pickles are also often high in sodium, and diets high in sodium are often linked to water retention and bloating. While that could have contributed to my bloating (I half expected to go through the week with fingers puffed up to double their size!), it probably didn’t since my bloating subsided. I already eat on the lower-sodium side, so adding one briny pickle to my days likely didn’t put me over the edge there.
The rest of the week was pleasantly uneventful on the bodily changes side of things. My energy stayed steady, my cravings didn’t change, and I didn’t reach for more water than usual.
Pickle Nutrition
Here is what one non-fermented pickle spear provides, according to the U.S. Department of Agriculture (USDA):
- Calories: 6
- Protein: 0 g
- Fiber: 0.5 g
- Calcium: 22 mg
- Potassium: 45 mg
- Sodium: 326 mg
- Vitamin K: 6 mcg
- Magnesium: 3 mg
Benefits of Pickles
Here are some potential health perks from regularly enjoying pickles with meals or as a savory snack.
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Supports Gut Health
One potential benefit of eating fermented pickles is that they may help diversify the mix of bacteria living in your gut: One recent study found that women who ate fermented pickles each day showed notable increases in gut microbiome diversity compared to those who didn’t eat pickles. A more diverse gut microbiome is linked to things like better digestion and stronger immunity, steadier mood, and more.
Aids in Exercise Recovery
If you are up for drinking the pickle juice along with the pickles, that is. Some research suggests that pickle juice may help calm exercise-induced cramps faster than water alone—for instance, one study found that people experience muscle cramp relief within about 85 seconds of downing pickle juice.
And the electrolyte content in pickles, particularly sodium and potassium, helps restore fluid balance and promotes muscle function after a workout.
Should Anyone Avoid Eating Pickles?
Pickles aren’t the right daily habit for everyone. People managing high blood pressure, other heart conditions, or kidney disease should be cautious because these conditions require you to monitor sodium intake. A single pickle spear can carry 200–500 mg of sodium, and that adds up fast, so anyone on a sodium-restricted diet should check with their doctor to see what the healthiest way to enjoy pickles is.
People with histamine intolerance may react poorly to fermented foods, since fermentation naturally raises histamine levels, and that can result in GI or skin symptoms. Those with certain gastrointestinal conditions such as small intestinal bacterial overgrowth (SIBO) may also find that fermented foods worsen symptoms.
The Bottom Line
A week of fermented pickles won’t overhaul your health, but as a daily habit, it can be a smart, low-effort, nutritious one for most people. If you want to try it, look for refrigerated, unpasteurized fermented pickles that list live or active cultures on the label (Bubbies is a great brand that’s available at Whole Foods). Start with one spear a day to give your gut a few days to adjust, and keep tabs on how much salt you have for the rest of the day.