The supplement market is growing every year, and at the same time, our doubts must grow: how do I know if a supplement is good quality, how do I distinguish between an effective formula and one that just sounds good, what should I look for before I buy?
These questions are especially important if you are looking for nootropics or functional supplements that help you in your daily life to improve your concentration, combat stress or even sleep better.
In this article we give you 6 keys so that you can evaluate the quality of a supplement yourself and, by the way, we show you how we apply it at ZZEN Labs when formulating our supplements.
Table of contents
1. Active ingredients with scientific evidence
The basis of any effective supplement is that it includes ingredients with scientific studies to support their effect , especially in the case of nootropic formulations.
A quality supplement should not include fillers or ‘trendy’ substances of no real use.
Por ejemplo, nuestro ZZEN Focus, contains ingredients such as Bacopa monnieri (40% bacosides),L-Theanine, Ginkgo biloba (24% ginkgoavoglycosides), o Rhodiola rosea (3% rosavins / 1% salidrosides), all with clinical trials supporting their cognitive benefits.
2. Effective, not decorative doses
It is not enough to include a good ingredient; it must be in the right dose . Many brands use token amounts so that they can be mentioned on the label, but which are not effective.
Therefore, look for products detailing exact mg per ingredient and, if possible, the standard concentration (e.g. 40% bacosides in Bacopa or 10% withanolides in Ashwagandha).
3. Clean formulas and no unnecessary fillers
A well-formulated supplement needs no added sugars, artificial colours or industrial preservatives. The cleaner the profile, the better the absorption and the lower the risk of intolerances.
Con ZZEN Calm, un Ashwagandha supplement in capsules, we only use pure Ashwagandha root extract (450 mg, 10% withanolides) y Passionflower (240 mg). Nothing more.
4. Transparency in labelling
A quality supplement must show its complete formula. If you see confusing labels with ‘proprietary blends’ or ‘exclusive complexes’ without quantities per ingredient, be wary.
5. Manufacture with guarantees
Make sure the supplement is manufactured under Good Manufacturing Practice (GMP)., with quality controls in the laboratory and in compliance with food safety regulations.
At ZZEN Labs, all our products are manufactured in Spanish laboratories certified under GMP regulations and undergo microbiological, heavy metal and stability controls.
Other certified ZZEN Labs nootropics include:
IFS Food V7 (International Featured Standards).
NSF certification for high quality products./p>
Registration with the FDA (Food and Drug Administration)
Halal Certification.
Registration with health authorities in Saudi Arabia (SFDA), United Arab Emirates (UAE Ministry of Health) and Kurdistan (Medical Control Agency).
6. Functional, not miraculous, approach
Be wary of supplements that promise immediate or miraculous results. Cognitive enhancement, rest or emotional well-being are processes not quick tricks. A good supplement should accompany you, not replace you..
How we do it at ZZEN Labs
We are a young brand, but very clear in our mission: to create functional supplements that support mental wellbeing, with clean, honest and scientifically based formulas.
Our formulas are designed for:
Supporting mental clarity and concentration → ZZEN Nootropic
Encourage natural and deep rest → ZZEN Sleep
Promoting emotional management and calmness → ZZEN Calm Ashwagandha
How to identify a quality supplement (quick checklist)
Before buying a supplement, make sure it meets at least these points:
Scientifically backed ingredients
Effective doses (not just symbolic)
Clear and transparent information
No unnecessary fillers
Manufactured with GMP guarantees
Honest communication (no miracles)
Looking for a quality supplement?
Find out about our products at zzenlabs.com, see for yourself why we are a different alternative: no empty promises, but real commitment to your well-being.
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