Author
Daniel Lazarevic
Writer · runs the web agency Webbografi · Writing for Tongkatbutiken since 2024
About Daniel
Daniel Lazarevic runs the web agency Webbografi and has a longstanding interest in strength training and nutrition. He has written Tongkatbutiken's knowledge hub since its launch in 2024, focusing on making research on food supplements such as Tongkat Ali understandable, and always linking to the studies behind the claims.
Daniel is neither a doctor nor a registered dietitian. The texts are informative, fact-checked by Erik Johansson before publication, and do not replace advice from a healthcare professional.
Our editorial process
- Every claim must be traceable to a source. Studies are linked in a reference list below each article.
- The texts are fact-checked by Erik Johansson, founder of Tongkatbutiken, before publication.
- The publication date and most recent update are shown on each article.
- The writer is not a healthcare professional. The content is informative and does not replace advice from a doctor.
Articles by Daniel
74 articles
21 August 2026
Lion's Mane – The Mushroom for Focus? How It Works
18 August 2026
Shilajit – What It Is, Fulvic Acid and How to Use It
17 August 2026
Tongkat Ali for women: effects, dosage and safety
15 August 2026
Measuring testosterone: blood test, reference values and what they mean
15 August 2026
Boost libido naturally: what affects sex drive and erectile health
15 August 2026
Tongkat Ali side effects: what the research says about safety
15 August 2026
Tongkat Ali dosage: how much should you take?
15 August 2026
Best Tongkat Ali 2026 – buying guide: how to choose the right extract
14 August 2026
Ashwagandha KSM-66 – What the Herb Is and How It Is Used
11 August 2026
Melatonin for Children – What Parents Should Know
7 August 2026
Berberine – Mechanism, Dosage and What the Research Is Looking At
4 August 2026
Creatine for Women – What Is Special to Keep in Mind
31 July 2026
Creatine – Beginner's Guide: What It Is, Dosage and Effects
28 July 2026
Magnesium Deficiency – Common Signs and What the Research Says
24 July 2026
Magnesium for Sleep – Why Many People Take It in the Evening
21 July 2026
Magnesium Glycinate vs Citrate vs Malate – Which Form Should You Choose?
8 July 2026
Methylene Blue – Effects, How to Use It and Where to Buy in Sweden
2 July 2026
Soursop – Complete Guide to Graviola: Taste, Nutrition, Effects and Recipes
1 July 2026
Melatonin Sweden – Dosage, Side Effects and Buying Guide
1 July 2026
How Exercise Affects Brain Function – BDNF, Neurogenesis and Supplements
1 July 2026
Longevity Supplements 2026 – NMN, Resveratrol, CoQ10 and Quercetin
1 July 2026
Nootropics Sweden – Complete Guide to Cognitive Supplements 2026
1 July 2026
NMN (Nicotinamide Mononucleotide) – Complete Guide 2026
30 June 2026
4Him TestoBalance Review 2026: A Broad Combination Product – But Is It Right for You?