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They call it “nature’s original superfood” for good reason.
Produced by mammals in the days immediately following birth, colostrum is packed with a range of bioactive compounds, including growth factors, essential amino acids, proteins, healthy fats and immunoglobulins that support a newborn’s development and immune system.
And these days, colostrum supplements have also become quite popular with adults looking to support their daily health and immunity. On Amazon, one bestselling powder has earned thousands of positive reviews from shoppers who say it has helped support their gut health, hair, nails and even energy levels.
WONDERCOW says its colostrum is kept in an “untouched” state to preserve its full range of bioactive nutrients, without removing beneficial fats or adding ingredients used to artificially boost IgG levels.
Ahead of Amazon Prime Day 2026 (which runs June 23 to June 26), the trending supplement is also on sale for $65 — as well as many other popular products discounted ahead of the major shopping event.
While WONDERCOW’s colostrum is still not the cheapest on the market, many reviewers say it’s a worthwhile investment thanks to its pure formula and promising health benefits.
WONDERCOW Colostrum Supplement Powder for Gut Health
AmazonWONDERCOW’s formula comes in several flavors, including vanilla, elderberry, chocolate and matcha. Most reviewers agree that the taste is smooth and slightly sweet, and the powder mixes easily into drinks with minimal clumping. Each tub contains 60 servings — just two scoops a day.
But beyond the flavor and ease of use, it’s the noticeable benefits that stand out to many users.
“I’m not exaggerating when I say this colostrum has become a non-negotiable in my daily routine,” one reviewer raved. “Yes, it’s a little pricey — but honestly, it’s so worth it. The results I’ve experienced have been nothing short of amazing.”
They say that their “biggest win” has been in the gut health department.
“I used to get nerve pain — not just stomach issues — from eating gluten. Not anymore. I still don’t eat it regularly, but when I do, I have zero nerve pain. That alone makes this product a miracle in my book,” they stressed.
WONDERCOW Colostrum powder is sourced from bovine colostrum from reputable, sustainable farms that follow ethical and humane farming practices and is third-party tested for quality control. As with any supplement, be sure to check with your physician prior to use.
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 Father’s Day and the Fourth of July, expect to see discounted gifts for dads, 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.
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