Doctor's Best

Doctor's Best is an American supplement brand that works extensively with licensed, standardized ingredients. Instead of developing its own formula, the brand purchases an ingredient under its brand name and lists that on the label. At LUTO Supplements, we currently carry one product: PepZin GI, zinc-L-carnosine with 75 milligrams per serving, in a bottle of 120 capsules. The product page lists the dosage per capsule and the full list of ingredients.

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UitverkochtPepZin GI Zink-L-Carnosine 75mg - 120 Capsules - Doctor's Best
PepZin GI Zinc-L-Carnosine 75mg | 120 Capsules | Doctor's Best
€35,90

Doctor's Best at LUTO Supplements

Doctor's Best is an American brand with a distinctive approach: it uses ingredients that have been standardized under their own brand name. This means that the label shows not only the substance itself, but also the name under which it was sourced. This makes it easier to know exactly what you are getting.

Our range from this brand currently consists of one product. Below you will find out what that is and what to look out for.

Where Doctor's Best comes from

Doctor's Best is an American company and its products are made for the American market. This means that you will find American reference values on the label, which differ from European ones. Read the packaging carefully before starting a dosage.

PepZin GI zinc-L-carnosine

Zinc-L-carnosine is a compound in which zinc is linked to L-carnosine, a dipeptide. It is therefore different from zinc or an amino acid on their own: the two are in one molecule. PepZin GI is the brand name under which this ingredient is supplied. The bottle contains 120 capsules with 75 milligrams per serving.

What licensed ingredients mean

An ingredient brand like PepZin GI stands for a fixed composition and production method. In practice, this means that you will find the same ingredient in different supplement brands, with the same specification. You then compare dosage, number of capsules and price, not the raw material itself.

What to look out for

Look at the number of capsules that make up a serving, because 75 milligrams per serving is different from 75 milligrams per capsule. If you already use a zinc supplement, take into account your total intake from all products combined. Zinc has an upper limit for daily intake.

If we expand our range from this brand, new products will automatically appear on this page.

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