Price: £8.49
(as of Dec 06, 2025 09:05:19 UTC – Details)

What is Caffeine & Theanine? Caffeine works by inhibiting the effects of adenosine which is responsible for inducing sleep. Adenosine has a relaxing effect on the body which is blocked by caffeine leaving you more physically and mentally alert. It also reaches deep into the muscle cell providing long-lasting power and delaying muscle fatigue. L-Theanine is a non-essential amino acid as it is produced by our bodies with help from other essential amino acids. It can be obtained through foods however in small amounts. It has been shown to effectively cross the blood brain barrier. Caffeine & L-Theanine are commonly taken together for their synergistic effects on cognitive performance. They are also often added to Pre-workout supplements for their focus enhancing capabilities. Caffeine & Theanine capsules are suitable for those with a hectic lifestyle. They can be used as a pre or intra workout and can be combined with Chromium Picolinate. Who is Caffeine & Theanine suitable for? Peak Supps Caffeine & Theanine Capsules are suitable for those looking for a high-quality Caffeine & Theanine supplement. They are suitable for the general public and athletes. If you’re currently taking medication, we would recommend checking with a doctor or medical professional before taking this supplement.
Manufacturer ‏ : ‎ Peak Supps
ASIN ‏ : ‎ B09FY7Y98R
Customer reviews: 4.1 4.1 out of 5 stars (19) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Each capsule provides 100mg Caffeine & 160mg Theanine.
Caffeine provides long-lasting power and delays muscle fatigue.
L-Theanine is a non-essential amino acid.
Commonly added to pre-workout supplements.
Suitable for vegans and vegetarians.

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