MASI Longevity Science Opiniões 

66
TrustScore: 4 em 5

4,1

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Leia as opiniões dos outros

Classificada 5 em 5 estrelas

Third party testing. Independent reviews backing up statements and claims of purity. Service. Ships on time. Arrives on time. This in spite of torturous journey from manufacture to third party testi... Ver mais

Classificada 5 em 5 estrelas

I never write reviews, but these products are worth one. I ordered the nmn + Spermidine combo without expecting anything crazy, let me tell you how wrong I was. My skin, visibly smoother, my energy le... Ver mais

Classificada 1 em 5 estrelas

I would give zero. I had bought the gift for my wife expecting her to enjoy as it was already second by without any visibal effet, but believing that maybe after some tim ether will be some positive e... Ver mais

Classificada 5 em 5 estrelas

It is my recommendation that anybody over 40 years of age starts supplementing with NMN, it has been proven to boost the NAD molecule which is responsible for all energy production in our body. This i... Ver mais

Informações sobre a empresa

  1. Loja de vitaminas e suplementos
  2. Loja de cosmética

Escrito pela empresa

Trusted by over 352,000 longevity enthusiasts – MASI offers German-made, Swiss-tested NMN, Resveratrol, Spermidine, and Fisetin crafted to the highest anti-aging standards. Every supplement is produced in a state-of-the-art facility in Germany using raw materials sourced exclusively from top-tier German suppliers – never from China or India. Each batch is independently tested in Switzerland to ensure exceptional purity, safety, and potency.

The MASI Guarantee

German-made, Swiss-tested supplements crafted to the highest European standards.

We use only premium European-sourced ingredients – never from China or India. Every product is vegan, non-GMO, and free from fillers, allergens, gluten, and lactose. Pharma-grade quality. No shortcuts.

Informações de contacto

4,1

Bom

TrustScore: 4 em 5

66 opiniões

5 estrelas
4 estrelas
3 estrelas
2 estrelas
1 estrela

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Respondeu a 20% das suas opiniões negativas

Geralmente leva mais de um mês para responder

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4,1

Todas as opiniões

(66)

59 opiniões nos últimos 12 meses

Escreva uma opinião
Na Trustpilot, as empresas não podem oferecer incentivos ou pagar para esconder opiniões. As opiniões pertencem a cada um dos utilizadores e não à Trustpilot. Saber mais

Classificada 5 em 5 estrelas

I love these supplements

I love these supplements. I've only taken them 4 months, but I've not missed a day. My hair feels healthier and the supplements are easy to digest. So very good quality. I'm looking forward to more length on my hair and will continue to take them.

19 de novembro de 2025
Classificada 5 em 5 estrelas

Clearer Skin!!!

I am taking fisetin 2 capsules 500mg everyday and I can see visibly clearer skin. Love the product!

20 de fevereiro de 2026
Opinião espontânea
Classificada 5 em 5 estrelas

First time I bought MASI was when I…

First time I bought MASI was when I became aware that supplement companies underdose or include toxins in their products. I decided to invest in my health by buying NMN and resveratrol with clear third party testing with results i can see. And I feel them a dramatic increase in my deep sleep and I feel more alive for sure. very impressed

18 de fevereiro de 2026
Opinião espontânea
Classificada 5 em 5 estrelas

Product of the YEAR

The nmn from MASI has to be the product of the year! Saw it online and immediately felt like it was for me, started the cycle and strongly felt the effects. Energy, mental fog gone, mornings are less painful and the focus is everlasting. I feel younger. 100%

12 de fevereiro de 2026
Opinião espontânea
Classificada 5 em 5 estrelas

Earned a subscription

A lot of brands, to the unsuspecting eye, skimp out on dosages failing to deliver the intended effect, to offset that you need to take more pills. Masi is very easy to take and already comes pre equipped with highest available dosages, I'm amazed by the effect and quality control available to me any time I want to double check. Good brand & good quality, earned a subscription.

30 de janeiro de 2026
Opinião espontânea
Classificada 5 em 5 estrelas

The supplement of NMN is amazing

The supplement of NMN is amazing. I have been taking MASI for more than a year now and the energy is unmatched compared to all others. I used to take Lions mane, l theanine and other praised supplements but none of them have come close to this one for the benefits, especially in my age. I pair it with lower doses of caffeine and now I accomplish more in a day than 10 years ago. Huge believer in supplement and this is a brand i feel safe taking

24 de janeiro de 2026
Opinião espontânea
Classificada 5 em 5 estrelas

5 STARRR

I started using the NMN Spermidine combo without expecting anything dramatic and I’ve been genuinely impressed by the results. My energy feels a lot more consistent throughout the day without any crashes, and I’ve noticed a visible improvement in my skin as well, no more breakouts !!

19 de janeiro de 2026
Opinião espontânea
Classificada 5 em 5 estrelas

Very Good Product

I never write reviews, but these products are worth one. I ordered the nmn + Spermidine combo without expecting anything crazy, let me tell you how wrong I was. My skin, visibly smoother, my energy levels, steady with no crashes, even with caffeine. The price is steep but when constant focus is still required at my age this is a no brainer. I'm heavily into nootropics but these 2 by far were the biggest game changers for me, very impressed.

26 de dezembro de 2025
Opinião espontânea
Classificada 5 em 5 estrelas

I am very satisfied with my order

I am very satisfied with my order, I ordered all 4. After the first couple of days I already felt a difference in my energy levels and overall clarity of mind, as you keep taking them the effect stacks up. Better than other brands that I tried

11 de dezembro de 2025
Opinião espontânea
Classificada 5 em 5 estrelas

The best NMN hands down

The best NMN hands down. I use their full stack. I'm 37 and now is the time to start. Combine this with a good diet and exercise and you're going to feel amazing.

18 de dezembro de 2025
Opinião espontânea
Classificada 5 em 5 estrelas

I don't feel 75

I had a very good experience because the product arrive on time and it was easy to order. I am a 75 year old woman and I don't have any specific obvious improvements that I can convey, but I don't feel 75 at all. I have an active life, that includes weight lifting three days a week and cardiovascular work-outs three times a week. I have problems with my knees that prevent me from walking even 3 miles, but maybe I would be worst without MASI pills

18 de dezembro de 2025
Classificada 5 em 5 estrelas

There is no question that this product…

There is no question that this product is working in many ways and not just visual, even though that is what everyone is talking about , I not just look younger ( I've been asked my age a couple of times lately, I become 62 on New Years Eve and the respond ranges from " ohh you can't see that , to one who stopped dead in his tracks because he was younger but looked a lot older ), I also feel younger physically, it's a product that will prove itself over time, I recommend that people try it and make their own experiences, as for myself, I look forward to taking them every morning.
But I think they should find a different way of storing them instead of these ( very heavy ) glass jars

1 de dezembro de 2025
Classificada 5 em 5 estrelas

The subscription is great

The subscription is great, my supplements come every month like clockwork, and I don’t have to do a thing. So easy!
Nmn is super premium. I am feeling much better every day

1 de outubro de 2025
Opinião espontânea
Classificada 5 em 5 estrelas

So far so good

So far so good. I am using Masi for more than a year. I feel much better. Expensive, but worth it

13 de novembro de 2025
Opinião espontânea

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