Vivere Reviews 

As a woman in my early 40s, I can honestly say NAD+ has transformed my life. One thing I’d say to anyone starting is not to expect an overnight miracle. The changes are subtle at first, and I think that’s where some people get disappointed.

For me, it wasn’t until I looked back over a few months that I realised just how much had changed. My energy levels are so much better, I’m sleeping more deeply, and I perform better in every aspect of my life from work to exercise and just keeping up with day to day life.

The difference isn’t dramatic from one day to the next, but when you compare where you are now to where you were a few months ago, the improvement is incredible. I’m genuinely so glad I stuck with it, and it’s become one of the best investments I’ve made in my health and wellbeing

Don't waste your money on this. I've bought the gut test and 6 weeks later still don't have the results and they refused my refund request! Really unreliable and very poor customer service!

NAD+ injections from Viverelife work. Full stop.
I had seen the hype about NAD+ and tried using NMN supplements earlier in 2026, but I had not noticed any improvements in my health from these supplements (I know others who have though).
I was primarily interested in improving cognitive function & fitness performance.
Background about me. I am a 49 yr old woman, fairly active / healthy. However I had a stroke 9 years ago which has impacted my cognitive function & fine motor (although not noticeable to others). Then last year I had very early diagnosed breast cancer.
As part of my "recovery" I had started training more, so in addition to regular weight training / core strength exercising I now run 5-10km 3 times per week.
Since using the Viverelife NAD+ injections I have noticed a very clear, albeit subtle improvement, in my health and well being.
Firstly, and literally after the first injection, my mind felt clear and calm, and therefore I felt more capable of dealing with the often chaotic, stressful life events: 2 kids, high profile job, no time, many demands etc etc.
My sleep was always good, but was significantly improved. Less waking in the night, more stable and consistent.
Fitness improved. This was subtle, but clear. My spilt time, stamina has definitely improved. We are talking about stretching distances (5-10km), improvements in time (6mn/km to 5.5min/km), my heart rate has come down significantly. In summary fitness & recovery is overall improved.
OK, so I cannot suddenly run a marathon at 4min/km, nor can i split the atom (I studied physics at University and would probably struggle to do it now following the stroke) so I would encourage you to be realistic in your expectations of NAD+. However, for me, the improvements are clear and I would struggle to stop the NAD+ medication. My only negative is the expense of it.

I purchased the NAD+ injection pen in January. It was on a new year offer and I had high hopes it may give me more energy after reading positive reviews about NAD+. Vivere offer the cheapest product on the market which should have warned me. They have positive reviews listed on their website but I should have searched further to find out they’re not actually well reviewed. I wish I had saved myself £230. Instead of the injections making me feel better they’ve worsened my symptoms and given me awful palpitations. When reporting this they’ve stated this is likely a side effect of the dosage being too high for my individual needs. For £230 you would expect more than a ‘one for all’ injection pen that may actually makes you feel worse. I simply followed the instructions which are meant to provided by their doctor. There’s no money back guarantee which again makes me feel they have no trust in their own product. Don’t make the same mistake I did and save yourself some money, go elsewhere if you’re looking for NAD+ injections.