We are sure that HSN® is your best purchase option and that is why we want to answer any questions you may have.
The product reviews and opinions published reflect only the customers’ views and experiences. HSN does not verify or endorse such comments or claims, and is not responsible for the content provided in the reviews. Statements regarding food supplements have not been evaluated by the EFSA (European Food Safety Authority) and are not intended to diagnose, treat, cure, or prevent any disease or medical condition.
Daniel |
Verified purchase
Smart caffeine *
It's taking effect
It gives a great supply of energy before training. I usually take one when I get up and another after lunch. It helps to eliminate the laziness that comes in the early afternoon and keeps you in good spirits for the rest of the day.
Ricardo |
Verified purchase
Smart caffeine *
Very comfortable
It is very convenient to take as a pre-workout, if you do not like coffee and want that touch more without having to take something you do not like, then you know to buy it.
Jimmy |
Verified purchase
Smart caffeine *
Good product
Good product. I can not miss at home. Great for before training. The activation is noticeable.
Sheila |
Verified purchase
Smart caffeine *
It works
I only took it when I was preparing for competitive examinations, for me it is quite powerful because with little I already noticed the effect.
Cafeína |
Verified purchase
Smart caffeine *
Very top
On days when I don't sleep much because of work and I have to train the next morning, I never miss it. I use it 30 minutes before starting the physical activity and personally I notice it (I don't drink coffee).
Retiro |
Verified purchase
Smart caffeine *
Excellent product
Excellent value for money. It is a very interesting product because it gives you a point of energy without producing ups and downs.
Pepa |
Verified purchase
Smart caffeine *
I prefer the normal one
I prefer normal caffeine, it took me a long time to take effect and I didn't notice its effects so much when I needed it for training or studying.
Jorge Ignacio |
Verified purchase
Smart caffeine *
Fast caffeine
It is an excellent way to have a plus in workouts. It is well priced and easy to take.
Rafa |
Verified purchase
Smart caffeine *
Very effective
When I need a caffeine boost to keep working or studying, I have taken caffeine pills before, but I have switched to this smart caffeine and I am very happy. You notice the effect over the hours and you avoid that sudden drop of normal caffeine.
Ruben |
Verified purchase
Smart caffeine *
Smart caffeine
Excellent for taking in the morning and maintaining a high and constant basal energy level over the next 8 hours, without having caffeine spikes after taking it and the associated side effects.
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