There’s a reason I never hit the gym without these go-to tablets — 44% off for prime Day

Behold, my secret to staying charged during sweaty workouts.

As a health and wellness writer, I’ve been keeping an eye on all the Prime Day deals, and when I saw my go-to electrolyte tablets drop 44%, I nearly panic-ordered three boxes. Prime Day runs from June 23 to 26, which means shoppers (and Nuun fans like me) have just a few days to stock up on supplements.

For me, Nuun Sport Electrolyte Tablets are hands-down the easiest way to stay on top of hydration. Each serving packs 300 mg of sodium and 150 mg of potassium, making it easy to double up when you need a stronger boost or stick with one tab for a lighter refresh. The sweet-tart-shaped tablets dissolve right into your drink, making it effortless to replenish electrolytes on-the-go — especially in the summer heat.

How We Find the Real Deals

Here at The Post, we don’t just diligently fact-check to call out fake news — we also relentlessly price-check to get you inflation-beating bargains you can trust. Before we recommend a single Prime Day purchase, our experienced bargain hunters put every “deal” through our price-checking gauntlet:

• The Background Check: We use hardcore tracking tools like CamelCamelCamel, Keepa and Amazon’s own Alexa to audit price history, ensuring mega sales aren’t just regular prices in disguise.
• The Retail Rivalry: We diligently cross-reference competitors like Walmart and Target to guarantee you actually see the lowest price on the web.
• And We’re Live: We track real-time trends and update our live coverage 24/7, keeping pace with shopper needs and retailer fluctuations.

They also come in a compact tube that’s easy to toss in a gym bag. I keep one with me at all times and reach for a tab after tough workouts, long runs or especially sweaty sauna sessions. I’ll even pop a few tablets if I’m having a long day at work, and find myself hitting that 3 p.m. crash.

Nuun is one of those essentials I always suggest stocking up on while you can, but especially while they’re on sale for 44% off during Prime Day.

Nuun Sport Electrolyte Tablets

Nuun Sport Hydration tablets check all the boxes: portable, easy to use and available in refreshing fruit flavors like orange, watermelon, grape, tropical and tri-berry.

The effervescent tablets dissolve right into water (no shaking required) and deliver five essential electrolytes including Sodium, Potassium, Chloride, Magnesium, and Calcium. This six-pack contains one tube, with offers 10 tablets each.

According to the brand, they’re made with clean, plant-based ingredients and contain just one gram of sugar per tablet, making them a healthier option for those looking for a simple, yet effective formula.

BUY NOW $44.94 $25.16

Your Amazon Prime Day FAQs, answered

What is Amazon Prime Day and when is it?

Prime Day is Amazon’s biggest sale of the year, offering deep discounts on bestsellers and everyday essentials. This year’s event runs from Tuesday, June 23 at 3 a.m. ET through Saturday, June 27 at 3 a.m. ET.

How long is Prime Day?

This year, shoppers can take advantage of four days of Prime Day deals: Tuesday, June 23 at 3 a.m. ET through Saturday, June 27 at 3 a.m. ET.

What’s new about Prime Day in 2026?

In addition to pushing up the sale to June, Amazon is including several new programs and promotions, including:

• Today’s Big Deals program: New daily discounts up to 50% off or more
• New deals dropping as often as every five minutes during the sale
• Prime members gain access to exclusive travel deals
• Prime members who spend $15 or more on a qualifying online grocery order have a chance to win free groceries for a year
• Prime members who set up a deal alert with Alexa have a chance to win a $1,000 Amazon gift card
• Through June 26, Prime members can get a large pepperoni or cheese pizza from Little Caesars for $5
• Through June 26, Prime members who purchase a new car through Amazon Autos get a $1,500 Amazon gift card

Do you have to be an Amazon Prime member to shop?

Prime Day and all its amazing discounts are exclusively available to Prime members. However interested shoppers can grab a 30-day free trial to try Prime, and its many benefits with no strings attached, and gain access to exclusive deals and the convenience of fast, free shipping.

What are the best deals?

From reporting on Amazon sales for years, we can tell you for certain that Prime Day is the ideal time to stock up on beauty and skincare staples, score big-ticket tech for less, bestselling vacuums, and comb through the massive catalog of Amazon best-sellers. Plus, since this year’s sale runs before the Fourth of July Americana-themed deals and summer hosting essentials.

Is it worth it?

We certainly think so! Prime Day is a great chance to score deals on thousands of best-sellers, top tech and appliances and every day essentials. Our team diligently sorts through all the offers to find you only the very best items to grab on sale.

When is the next Prime Day?

Already wondering when Amazon’s next Prime Day is? We expect Amazon’s October Prime Big Deal Days sale event to return in fall 2026. Follow Post Wanted’s around-the-clock coverage, and you’ll be the first to know about headline-worthy sales. Click here to find all of the best deals.

Why Trust Post Wanted by the New York Post

This article was written by Miska Salemann, New York Post Commerce Writer/Reporter. As a health-forward member of Gen Z, Miska seeks out experts to weigh in on the benefits, safety and designs of both trending and tried-and-true fitness equipment, workout clothing, dietary supplements and more. Taking matters into her own hands, Miska intrepidly tests wellness products, ranging from Bryan Johnson’s Blueprint Longevity Mix to the viral Oura Ring to Jennifer Aniston’s favorite workout platform – often with her adorable toddler by her side. Before joining The Post, Miska covered lifestyle and consumer topics for the U.S. Sun and The Cannon Beach Gazette.

Looking for a headline-worthy haul? Keep shopping Post Wanted.