"Pretty easy to use overall"
The site was easy enough to navigate, and checking out only took a few minutes. One page did load a little slowly, but it wasn’t a big deal and everything worked fine in the end
hello_james623
May 23, 2026
"I really tried to give this a chance..."
I really tried to give this a chance, but the smell hit me right away and ruined it for me. Of course I ended up with something I couldn’t even use. I couldn’t get past the taste or the odor at all.
richarddougherty6853
May 21, 2026
"Pretty gentle so far, I think"
I’ve only been using it a short time, but so far it’s been easy on my stomach. I did have a mild headache the first day, though nothing too bad. Overall it seems okay, but I’m still not totally sure yet
JohnnieSantana_16
May 20, 2026
"Got sorted in the end"
I had a small issue with my order and, based on how these things usually go, I assumed it was going to turn into a bit of a hassle. I was a little annoyed at first, especially since it took a couple of messages before it felt like anything was actually moving.
To be fair though, once they picked it up properly, they kept me updated and got it sorted. It wasn’t a perfect experience, but it was handled okay in the end, so I’d give it 4 stars.
Diane_bashir76
May 19, 2026
"Kind of frustrating, but not all bad"
I had mixed feelings using the site. Some parts were okay, but the pages took a while to load, which got annoying quickly. Checkout also felt more confusing than it needed to be, so the whole experience was a bit frustrating.
Aaron_karalis75
May 16, 2026
"I’ve been using this for a few..."
I’ve been using this for a few weeks now, my sleep does feel a lot more settled. It’s not like every single night is perfect, but most mornings I’m waking up less groggy, which is a BIG win for me. Delivery was totally fine too. I’d give it 4 stars
william-Lininger
May 06, 2026
"Checkout Was a Bit of a Struggle"
I’m sure it was just one of those things, but checkout on nmnbio.co.uk kept hanging right when I was trying to pay, which was not exactly ideal.
I had to refresh the page and put some details in again before it finally went through. It worked in the end, so that’s great, obviously, but I was expecting the whole process to be a lot smoother...
michael1971
April 25, 2026
"Wish the packaging had been better"
I was disappointed when this arrived. The box was all bashed up and the seal looked loose, which made me question whether the product inside was okay. I kind of regret ordering it because first impressions were not good at all
DarleneBisard_87
April 16, 2026
"I got the NMN and, for what..."
I got the NMN and, for what it’s worth, it looks totally fine to me. No weird smell, no clumping, and nothing about it seemed off. I’m not saying it’s bad or anything, so don’t take it that way, but I do wish they had clearer purity documents posted on the site. Without that, I’m just not comfortable giving it a higher rating, so it’s a middle score from me.
NickBlack_97
April 13, 2026
"I was disappointed because I couldn’t figure..."
I was disappointed because I couldn’t figure out how much I was supposed to take each day. I expected the directions to be more straightforward, but they left me guessing
CharlesKuhl_62
March 21, 2026
"Solid pre-workout support, nothing crazy"
I’ve been taking nmnbio before workouts for a bit, and compared to my usual coffee or random pre-workout, my runs feel a little steadier and I don’t fade as quickly near the end. It’s not some magic boost or anything, just a cleaner, more consistent energy level that I noticed after a few sessions. I’d buy it again if it keeps helping like this.
joymeyers4380
March 18, 2026
"Surprisingly easy to manage"
I paused my subscription with no hassle at all, which was a pleasant surprise since these things are usually way more annoying than they need to be. Nice to see the basic stuff actually works.
hello_oliver921
March 02, 2026
"Decent, but I’m not blown away"
I’ve been taking it for a few weeks now and honestly... it’s kind of hard to tell. I *maybe* feel a little more steady energy during the day, which is nice, but it’s not a huge difference or anything. Ordering was easy and delivery was totally fine! Just wish the results felt a bit stronger for the price. I might stick with it a little longer and see if anything changes.
Tracy_hoke78
February 18, 2026
"I’ve been taking this for a few..."
I’ve been taking this for a few weeks now, and I do feel a slight boost in energy in the mornings. That said, I’m a bit disappointed because I was hoping for a more noticeable difference. It’s definitely not a miracle, but I guess it’s doing something.
curtis_Munsey85
February 13, 2026
"Decent little saving, but I expected more"
I used a promo code on nmnbio.co.uk and it did work, so I can’t really complain. I remember feeling a bit pleased at checkout when the price dropped, even if it was only by a small amount. That said, I’d been hoping for a better discount, and a few of the offers weren’t super clear, which took away from the excitement a bit. Overall, it was okay — nice to save something, but not exactly a deal I’ll be telling everyone about...
NormanMurray_06
February 12, 2026
"Bad first impression with the shipping"
I ordered from nmnbio.co.uk the shipping gave me a bad first impression. Delivery took longer than they said it would, and the tracking barely updated, so I had no idea where my order was most of the time. It did turn up eventually, but the whole delivery experience was frustrating and not very reassuring.
david.Longwell
February 10, 2026
"The site is okay overall, but I reaaally..."
The site is okay overall, but I reaaally wish the ingredient details were a bit clearer. There’s some info there, which helps, but not quite enough for me to fully trust what I’m buying yet.
Charles.villarreal
February 02, 2026
"I’ve been using nmnbio.co.uk for a few..."
I’ve been using nmnbio.co.uk for a few weeks now, and to be fair, I have noticed my head feels a bit clearer in the mornings. I’m not as foggy when I wake up, and I seem to get into work mode a bit quicker than usual, which has been nice.
That said, I do feel slightly misled because I was expecting something more noticeable from the way it’s talked about. It’s not been a dramatic change by any means, just a small improvement. Delivery was fine, but it is a bit pricey for me, so I’m not totally sure how long I’ll keep it up
LININGER
January 20, 2026
"Support took way too long to reply"
I had to follow up twice before anyone got back to me. It felt like a preventable hassle, especially since I just needed a simple response.
hello_janet091
January 19, 2026
"Found the lab report, but it was a hassle"
The lab report was there and it was fine once I finally found it, but I had to click around way more than I expected. I was trying to get everything sorted quickly before heading out, and this threw off my plans a bit. It’s not terrible overall, just wish the report was easier to find.