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⚡ Recharge like a pro, recover like a legend.
KA EX is a clinically tested, Swiss-engineered cortisol reducer and recovery booster trusted by thousands of pro athletes. This vegan, gluten-free powder sachet combines electrolytes, minerals, amino acids, and vitamins to lower cortisol by 36% within 48 hours, enhance sleep quality, and accelerate post-workout recovery. Perfect for athletes and high performers seeking elite-level stress relief and hydration in a convenient lemon-flavored formula.







| ASIN | B0BMXK62BD |
| Age Range Description | Adult |
| Best Sellers Rank | #23,157 in Health & Household ( See Top 100 in Health & Household ) #19 in Sports Nutrition Post Workout & Recovery Products |
| Brand | KA EX |
| Brand Name | KA EX |
| Container Type | Sachet |
| Customer Reviews | 4.1 out of 5 stars 246 Reviews |
| Dosage Form | Powder |
| Flavor | Lemon |
| Item Dimensions | 3.94 x 3.94 x 3.94 inches |
| Item Form | Powder |
| Item Weight | 3 Ounces |
| Manufacturer | KAEX |
| Manufacturer Part Number | PHA1001.01.US |
| Material Features | Gluten Free, Vegan |
| Number of Items | 3 |
| Primary Supplement Type | Phosphatidylserine |
| Product Benefits | Stress Relief |
| Total Servings Per Container | 3 |
| Unit Count | 3.0 Ounce |
L**I
Ka Ex is amazing
I am not an athlete. I do not workout. I’m a retired fire captain/paramedic and I own a horse ranch and that work is often times harder than being an athlete. Stress and lack of sleep is just called spring on the ranch. When this product says it lowers cortisol and stress take it from me it absolutely delivers. Prescription sleep aids were just part of life but now that’s over. REM sleep is so pleasant. Recovery from a long hard day is so much easier. Mixing is super easy. The taste is pleasing. The quality of this product is everything you would expect. This is now my morning routine. Buy this. Make this part of your routine, your body will thank you.
M**R
Works well
I've been taking it for 1 week now. I sleep well and I am super focused during the day. I do crossfit and I drink it right after my workout because it really helps with recovery. I usually drink it on an empty stomach and then wait about 20-30mins before I eat. I'm not sure if that makes a difference or not, I just like doing it that way. I am hoping to see some reduction in belly fat in about 4 weeks or so. The taste is great, I would compare it to a very light Gatorade.
L**D
Good product.
Good product, I noticed deeper sleep and less soreness after working out. Price needs to be adjusted for to make it easier for the working man.
C**E
Great Product
Tastes pretty good, it dilutes very well, and seems to be working well. Sleep has improved.
R**N
Absolutely Nasty Tasting
Omg this is absolutely disgusting 🤢! I tried pawning this on to my 30 year old son who grew up on Harry Potter booger flavored jelly beans and he said he’d rather eat the jelly beans. We even tried break it up into different Oz cups to add different flavors and nothing works. Did they think this through? And I bought 3 of them hoping they would be good so as I didn’t bite myself in the +++ and be left with nothing
S**E
Faster recovery, less stress and clinically testing
I’ve been using KA EX – Cortisol Stress Reducer for a few weeks now, and it has quickly become a must-have in my post-workout routine. What stood out to me immediately is how well it helps with recovery. After tough training sessions, I usually feel drained the next day, but with KA EX I notice faster bounce-back, less soreness, and more energy overall. Another big plus is the stress management factor. Cortisol can be tough to keep in check, especially when balancing workouts with everyday life, and I’ve genuinely felt more focused and calm since adding this to my regimen. It’s backed by Swiss science, clinically tested, and trusted by athletes—which gave me confidence in the quality. The fact that it’s vegan is a nice bonus, and it mixes easily without any weird aftertaste. The serving packs are convenient, especially if you’re on the go. While it’s not the cheapest supplement out there, I’d say the benefits make it worth the investment. Overall, if you’re serious about recovery, reducing stress, and improving performance, this is absolutely worth trying.
J**E
Wow!
I have been a competitive road cyclist my entire life and now clocking in at 57 years young. After reading the reviews, I gave KA EX – Cortisol Stress Reducer a shot. Unbelievable. By the 2nd day, I noticed a difference not only on the Zwift Ride/Bianchi Road bike outside, but throughout the day energy levels were at a all time high along with serious stress reduction. Only issue for me personally was taking a couple hours before bed, I found myself waking up at 3am wired and ready to go. Lastly, improvements in workout recoveries. Basically checks every box that I'm after. Will purchase again.
G**I
15 GRAMS OF SUGAR!
I wish i woulda saw it had 15gs of sugar i wouldn't of bought it. Plus it really has a terrible smell when mixed w water and a even worse after taste.
Trustpilot
2 weeks ago
1 week ago