The Gellaggen blog
Evidence-based guides on beauty nutrition, ingredients and buying supplements wisely.
Ingredient deep-dive
Biotin for hair, skin and nails: what the research actually says
Why biotin is in every beauty gummy, who is most likely to benefit, and the lab-test warning most labels bury.
Buying guide
Beauty gummies vs capsules: which format fits your routine?
Taste, sugar, dosing, and why the ‘best’ supplement is usually the one you actually remember to take.
Consumer safety
How to spot fake Gelagen™ sellers (and protect your refund)
Red flags on marketplace listings, what a legitimate checkout looks like, and what to keep for a guarantee claim.
Further reading
Trusted outside sources
Ingredient deep-diveBiotin for hair, skin and nails: what the research actually saysWhy biotin is in every beauty gummy, who is most likely to benefit, and the lab-test warning most labels bury.Buying guideBeauty gummies vs capsules: which format fits your routine?Taste, sugar, dosing, and why the ‘best’ supplement is usually the one you actually remember to take.Consumer safetyHow to spot fake Gelagen™ sellers (and protect your refund)Red flags on marketplace listings, what a legitimate checkout looks like, and what to keep for a guarantee claim.NIH · Consumer guide ↗Dietary Supplements: What You Need to KnowA plain-English primer on safety, labels and talking to your doctor.MedlinePlus ↗Biotin: uses, effectiveness and safetyThe U.S. National Library of Medicine’s evidence summary for biotin.American Academy of Dermatology ↗Hair loss: types, causes and treatmentWhen shedding needs a dermatologist, not a supplement.