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HSNE-CAFSRV Natural energy boosters HSN 5056329509965 https://www.hsnstore.eu/media/catalog/product/c/a/caffeine-sr-gral-veg-caps-front-hsn_1.webp
HSN Sport Nutrition and Natural Dietetics
EUR 2027-03-31 00:00:00 5.54
A good, safe caffeine supplement (CAFFXTEND patent), in a concentration that allows you to draw out effects, which makes it great for boosting energy and focus, and a prolonged effect, throughout the day (12 noon), without peaks. I usually take it in the morning on days when my energy or mood is low and I feel that boost throughout the day! And at a good price.
SLOW-RELEASE CAFFEINE (400mg CaffXtend®)

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SLOW-RELEASE CAFFEINE (400mg CaffXtend®)

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Slow-release granular caffeine 400mg. Raw material CaffXtend® (50% pure caffeine). Pure caffeine content of 200mg per capsule. High vitamin content. Best action profile for long sessions of ultra-endurance sports, study and work. Less adverse effects from caffeine. Suitable for vegans.

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Description

  • Slow-release caffeine.
  • Raw material: CaffXtend®.
  • 200mg of pure caffeine.
  • With pantothenic acid and vitamin B6.
  • Suitable for vegan diets.

Table of contents

CaffXtend®: Caffeine for the most sensitive people

Slow-Release Caffeine (400mg CaffXtend®) by EssentialSeries is a dietary supplement based on slow-release natural granulated caffeine with vitamin B6 and pantothenic acid.

CaffXtend® is a prestigious registered trademark known for its granulation system that allows for a sustained release of natural caffeine.

This is a vegan-friendly product.

Nutritional properties of Slow-Release Caffeine (400mg CaffXtend®)

CaffXtend® is a granular caffeine format containing 50% pure natural anhydrous caffeine:

This dietary supplement contains 400mg of CaffXtend®, which is equivalent to 200mg of pure caffeine.

Caffeine

Caffeine:

  • Helps increase alertness.1
  • Helps improve concentration.1
  • Contributes to an increase in endurance performance.2
  • Contributes to the reduction of perceived exertion during exercise.3

Pantothenic acid

Pantothenic acid:

  • Contributes to normal energy metabolism.
  • Helps reduce tiredness and fatigue.
  • Contributes to normal intellectual performance.

Vitamin B6

Vitamin B6:

  • Contributes to normal energy metabolism.
  • Helps reduce tiredness and fatigue.

Discover a unique HSN development with the best slow-release caffeine raw material: CaffXtend®.

CaffXtend® raw material

The 200mg of pure caffeine contained in our SR caffeine comes from CaffXtend®, a unique ingredient.

CaffXtend Logo

CaffXtend® employs a patented release modification technology platform, which causes a single dose of caffeine to be released over a 12-hour period, according to the company that owns the trademark: Inventia Healthcare Ltd.

Release pattern

CaffXtend® has different pharmacokinetics from other immediate-release caffeine.

Its different dissolution profile is due to its granulation technology, which converts its caffeine into a slow-release compound.

According to data provided by Inventia, based on its own research, CaffXtend® caffeine is released for more than 12 hours.

Caffeine Sequential Release Curve HSN_Mob1

While other products made from regular presentations of immediate-release caffeine release more than 95% of their content in the first 5 minutes (Sager et al., 2019).

In convenient capsule size.

The product is easy to use and comes in convenient capsule format.

When to choose slow-release caffeine versus fast-absorbing caffeine?

Immediately absorbed caffeine is excellent for use before short workouts, lasting 1-2 hours, as it peaks and then the concentration drops rapidly.

However, when you are studying, for example, this 'dip' is very noticeable, it is known as a 'caffeine crash', which makes you feel much more tired after a few hours.

Slow-release caffeine by CaffXtend® is the best choice for students and workers as, thanks to its much longer release, recent studies have shown that the effects achieved are greater from consumption up to 8 hours later (ideal for long study sessions and working days), causing fewer jitters than immediate caffeine, as it does not reach such high peaks in the blood.

You can read more about this topic in the following scientific study::

Vegan-friendly

Slow-release caffeine (400mg of CaffXtend®) is a product suitable for vegetarian and vegan diets.

High vitamin content

HSN's slow-release caffeine has a high pantothenic acid and vitamin B6 content.

What products can you combine this caffeine with? We recommend you try:

Further reading on caffeine

 

1 The effect is obtained with an intake of at least 75mg of caffeine..

2 The effect is obtained with an intake of 3mg of caffeine/kg body weight, one hour before exercise. This guidance is aimed at adults who engage in endurance exercise.

3 The effect is obtained with an intake of 4mg of caffeine/kg body weight, one hour before exercise. This guidance is aimed at adults who engage in endurance exercise.

Nutritional Info.

Nutritional Facts

SLOW-RELEASE CAFFEINE (400mg CaffXtend®) - 120 veg caps
daily doseper serving
Serving size: 1 veg caps
daily dose: 1 veg caps
Servings per container: 120
Daily amount
Long-acting natural granulated caffeine (CaffXtend®) 400mg
Caffeine 200mg
Pantothenic Acid 6mg
of calcium D-pantothenate 6.5mg
Vitamin B6 0.7mg
of pyridoxine hydrochloride 0.8mg
NRVs (Nutrient Reference Values) established in Regulation (EU) 1169/2011 of 25 October 2011. †† NRVs are not established on this occasion.

Ingredients

Natural granulated caffeine with prolonged action [anhydrous caffeine (plant extraction from Coffea robusta beans), rice flour, vegetable capsule [coating agent (hydroxypropylmethylcellulose)], anti-caking agent (L-leucine), calcium D-pantothenate (pantothenic acid), pyridoxine hydrochloride (vitamin B6).

Warnings

Store in a cool (below 25°C), dry and dark place. Do not exceed the stated recommended daily dose. Keep out of reach of the smallest children. Nutritional supplements should not be used to replace a balanced diet. Contains caffeine (200mg/daily dose). Not recommended for children nor pregnant or nursing mothers. It is necessary to maintain a varied and balanced diet and a healthy lifestyle. Health claim awaiting European authorization.

time-to-use

How to take SLOW-RELEASE CAFFEINE (400mg CaffXtend®) - 120 veg caps

Take 1 vegetable capsule 1 time a day, preferably in the morning.

Questions

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.

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142 real opinions

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.

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  • Good energy supplement!

    Rute 03/02/2026

    A good, safe caffeine supplement (CAFFXTEND patent), in a concentration that allows you to draw out effects, which makes it great for boosting energy and focus, and a prolonged effect, throughout the day (12 noon), without peaks. I usually take it in the morning on days when my energy or mood is low and I feel that boost throughout the day! And at a good price.

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  • Lasts 12 hours.

    David 26/01/2026

    You should definitely make sure you only take it in the morning. But there are many uses such as a longer trip, shift work where it has helped me!

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  • Fantastic

    Maria 25/01/2026

    Excellent quality, pleasant taste and real results. Ideal for better training. Always.

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  • Highly effective

    Azucena 14/10/2025

    It is very effective. Except for one day when it hasn't had much effect, perhaps because I slept less, it usually lasts about 12 hours. It is true that it doesn't give you the high that a coffee gives you and at the beginning I am tired but then I last all day and I don't feel sleepy at all. Of course you have to be careful if you take it a little late because as I say, the effect lasts me about 12 hours. It is very worthwhile.

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  • Perfect

    Christopher 20/09/2025

    I use this supplement at work on days when I'm a bit tired, and I'm happy with it.

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