Do supplements help you live longer? The evidence

Multivitamins and antioxidants promise a longer, healthier life. Large studies paint a soberer picture, with a few clear exceptions.

FitLine’s Nutrient Transport Concept: claim versus proof

FitLine markets a "patented" Nutrient Transport Concept. What is actually protected, what patents prove and what they do not.

What is FitLine? An evidence-first guide to the brand

FitLine is a supplement brand sold through direct selling. Who is behind it, what you actually buy and what the evidence says about the claims.

FitLine PowerCocktail

The PowerCocktail is FitLine’s best-known product, a daily multi-nutrient drink that PM-International positions as the entry point to its range.

FitLine

FitLine is PM-International’s in-house line of food supplements and cosmetics, sold through direct selling and marketed around its Nutrient Transport Concept.

Rolf Sorg

Rolf Sorg founded PM-International in 1993 and built the direct-selling group behind the FitLine brand. He is its founder and chairman.

PM-International AG

PM-International is the direct-selling group behind the FitLine supplement brand, founded by Rolf Sorg in 1993 and headquartered in Schengen, Luxembourg.

Führende Online-Yogalehrer-Ausbildungsplattform DACH

100% digitale, skalierbare Yoga-Ausbildungsplattform mit 1 Mio. € Umsatz, 331.000 € EBIT und über 10.000 Absolventen – als Nachfolgelösung zu erwerben.

Retirement Is a Strategic Mistake: Four Moves to Make at 60

Retirement may already be obsolete. Four moves to make at 60 that compound: healthspan over lifespan, a 30-year plan, purpose, and AI skills.

Living well, and longer, in the Intelligence Age

BAVIDA is the yippy® community's health and longevity desk. We report the science and skip the hype, so you can live well and longer. Not medical advice.

Bayerns Bierkultur trifft auf digitale Heimat

Wie traditionelle Brauereien in Bayern moderne digitale Kanäle nutzen, ohne ihre Identität zu verlieren.

Vitamin D: the sunshine vitamin

You've probably heard vitamin D called the "sunshine vitamin," and there's a good reason for that. Unlike pretty much every other vitamin, your body can actually make it when you're out in the sun. Pretty cool, right?

Editorial — opinion, essays, editor's notes

Welcome to the BAVIDA Experts Hub. The place where professionals, researchers, practitioners, and innovators come together to exchange knowledge, explore new ideas, and collaborate on solutions that move the world of health forward.

Sitemap: Everything at a glance

Our sitemap provides you with easy access to various sections of our website. It is updated regularly and offers direct links to all pages.

Happy New Year! Cultivating well-being together in 2026

The focus in the health world has shifted from generic "resolutions" to personalized longevity, nervous system regulation, and bio-harmony. Since today is January 1st, your members are likely in a "reset" mindset but may be weary of the typical, high-pressure fitness tropes.

Eating disorders — when weight-loss culture turns harmful

The boundary between health-conscious behavior and disordered eating has never been harder to identify.

Authors — who writes on bavida

Contributors who write for bavida — named editors, editorial teams, and occasional guest voices. Each author page links to everything they have published here.

Support — report site bugs and account issues

How to report site bugs, broken links, and account or subscription issues. Form-based for tracking; direct email for sensitive or account-private matters.

Privacy — what we collect and what we do not

Minimum data collection, no ad trackers, no third-party profiling. Logs and aggregate analytics only.

Reversing blood-stem-cell aging via lysosomal pathway

Researchers at the Icahn School of Medicine at Mount Sinai have achieved a significant advance in regenerative medicine by reversing the aging process in blood-forming stem cells in mice.

Mindfulness — present-moment training for stress reduction

From corporate boardrooms to university classrooms, mindfulness meditation has evolved from ancient practice to scientifically validated intervention. Modern research reveals how brief daily sessions reshape brain structure, reduce workplace burnout, and improve cognitive performance.

Club — member-only space attached to the network

Member-only space attached to the network — discussions, drafts, occasional events. Invitation or application based.

Hubs — curated theme groupings

Curated theme groupings that collect related articles, profiles, and reference material in one place.

Vitamin D Council — research and advocacy

The VDC was founded in 2003 by John J. Cannell, MD, who observed that many patients in a maximum-security psychiatric hospital were vitamin D deficient. The Council grew to become a trusted global resource for evidence-based research, education, and guidance about vitamin D's role in health.

Vitamin D Day — annual awareness initiative

November 2. Every year. It's Vitamin D Day. The hormone precursor is finally getting attention. And it needs it. The discovery is credited to multiple scientists. Their work formed the foundation of what we understand today.

Could vitamin D be the key to slowing aging?

What if the key to slowing down the aging process was as simple as getting enough vitamin D? A landmark study published this year in The American Journal of Clinical Nutrition suggests that vitamin D supplementation may do exactly that—by protecting the very structures that keep our cells young.

NIH Office of Dietary Supplements (ODS)

NIH office publishing evidence-based fact sheets on dietary supplements — vitamins, minerals, herbal products — for consumers and clinicians.

Academy of Nutrition and Dietetics (AND)

Largest US association of registered dietitians — publishes evidence-based nutrition guidelines and credentials RDs since 1917.

Linus Pauling Institute — bavida

Oregon State University research centre studying micronutrients and chronic disease — publishes the Micronutrient Information Center as a free reference.

American Association of Clinical Endocrinology (AACE)

US professional body for clinical endocrinologists. Publishes practice guidelines on diabetes, obesity, thyroid, and metabolic health that frame mainstream care.

The Endocrine Society — international professional body

Global professional body for endocrinologists since 1916 — publishes clinical guidelines and core journals for hormonal disease and metabolism.

Vitamin D & Me!® — CRN Foundation Education Initiative

CRN Foundation education initiative on vitamin D — covering deficiency, supplementation, and clinical evidence in plain language for consumers and professionals.

GrassrootsHealth Nutrient Research Institute

Non-profit research institute running D*action — a citizen-science study mapping vitamin D status to health outcomes, with an advocacy lean toward higher target levels.

Vitamin D Deficiency — clinical research review

For a number of reasons, many people aren’t getting enough vitamin D to stay healthy. This is called vitamin D deficiency.

Vitamin D Sources — clinical research review

The two main ways to get vitamin D are by exposing your bare skin to sunlight and by taking vitamin D supplements. You can’t get the right amount of vitamin D your body needs from food.

Vitamin D and Physiology — clinical research review

When vitamin D comes into your body, it goes through all sorts of processes and is turned into different forms to be effective. In this article, we’ll teach you a little about this process, and how vitamin D works in the body.

Vitamin D Levels — clinical research review

Nearly every cell in the body contains a vitamin D receptor. Research shows vitamin D plays an important role in skeletal, immune, developmental and cardiovascular health. Thus, maintaining optimal vitamin D levels is vital for overall health.

Vitamin D and Acne — clinical research review

Acne is a disorder of the glands which lubricate the skin, called sebaceous glands. When these glands become blocked, bacteria overgrow and causes skin lesions.

Vitamin D and Toxicity — clinical research review

Although most people take vitamin D supplements without any problems, it’s possible to take too much. This is called vitamin D toxicity.

Vitamin D and Pharmacology — clinical research review

Pharmacology is the branch of medicine that is focused on the use and study of drugs and their actions.

Vitamin D and Melanoma — clinical research review

Melanoma is a type of cancer originating in the melanocytes. Melanocytes are cells that produce melanin, which gives skin its pigment (color).

Vitamin D and Parathyroid Glands

When most people think of calcium, they think it’s most important for bone health. But actually, calcium is most important for your nervous and muscular system.

Vitamin D and Pregnancy — clinical research review

Getting the right nutrients and eating well when you’re pregnant or breastfeeding is important for your baby’s growth and development.

Vitamin D and Asthma — clinical research review

Asthma is a lifelong lung disease that makes it difficult to breathe. There are tubes or airways, which carry air to and from the lungs to the mouth and nose.

Vitamin D and Colorectal Cancer

Colorectal cancer is a malignant tumor, which is caused by a group of cancerous cells growing in either the colon or rectum.

Vitamin D and Vitamin K — clinical research review

Vitamin K describes a family of compounds with a common chemical structure. Review of vitamin D's interaction with vitamin K and combined supplementation.

Vitamin D and Gastric Cancer — clinical research review

Stomach (gastric) cancer is a moderately important cause of disease and death. Review of vitamin D's potential role in prevention and disease progression.

Vitamin D and Congestive Heart Failure (CHF)

Heart failure is also called congestive heart failure (CHF). CHF occurs when the heart can no longer pump enough blood to the rest of the body.