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The ingredients, one by one
Six components, what each one is — and what may legally be said about them.
The plant components
Spirulina (Arthrospira platensis)
Strictly speaking not an alga but a cyanobacterium. Spirulina has been sold as a supplement for decades and is among the best-known of the so-called superfoods. It supplies protein, minerals and the blue pigment phycocyanin.
Matcha (Camellia sinensis)
Finely ground green tea. The difference from an infusion is substantial: with matcha you consume the whole leaf rather than a water extract of it, so catechins and a small amount of naturally occurring caffeine go directly into the formula.
Apple cider vinegar extract
Concentrated apple cider vinegar. Widespread as a folk remedy, and in capsule form it has one genuine practical advantage: the acid never passes your tooth enamel, which is more than liquid vinegar can offer.
The amino acids
L-carnitine
A compound formed from lysine and methionine that the body produces itself and also takes in through food, chiefly red meat. Inside the cell it plays a role in transporting long-chain fatty acids into the mitochondria.
In sports and fitness it has been among the best-selling single substances for decades. It is nevertheless not authorised for health claims in the EU or UK.
L-arginine
A semi-essential amino acid and a precursor for the body's own production of nitric oxide. Another long-standing fixture of sports formulations, and likewise without authorised claims.
The trace element
Zinc
Zinc is involved in a large number of enzymatic processes — and for the purposes of this page it's the most interesting component in the formula, because it's the only one with authorised claims attached.
The rules, without hedging
Regulation (EC) No 1924/2006 governs which statements may be attached to an ingredient. For this formula the position is as follows.
Not authorised: no health claims exist in the EU or UK for spirulina, matcha, apple cider vinegar, L-carnitine or L-arginine. No brand may lawfully claim they boost metabolism, increase fat burning or produce weight loss.
Authorised: several claims exist for zinc, among them that zinc contributes to normal carbohydrate metabolism, to normal macronutrient and fatty acid metabolism, to the normal function of the immune system, and to the protection of cells from oxidative stress. The condition is that the product contains the legally defined minimum amount — which you'll find on the manufacturer's nutritional table.
Why we spell this out
Because a page that promises less and delivers more is worth more than the reverse. Tirze+ is a food supplement built from components well established in this category, in a format that makes taking it easy. It is not a medicine, it does not replace a balanced diet, and it does not do the work for you.
Anyone who knows that and still wants to use it as one component of a routine is making an informed decision — which is exactly the point of this page.
On the name: the product name sounds similar to a well-known prescription substance. Tirze+ is neither related to it nor comparable with it: it is a food supplement containing plant components, amino acids and zinc — not a medicine, not an injectable, and not an alternative to medical treatment. We deliberately draw no such comparison anywhere on this site.
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Transparency notice
tirze-plus.org is not the official manufacturer site. This is an independent information resource funded through affiliate marketing. We do not sell Tirze+, we do not ship goods and we do not process payments. When you click an order link you are taken to the manufacturer's official shop. If a purchase is made there, we may receive a commission — at no additional cost to you. We have no influence over pricing, availability or delivery.