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FAQ - Frequently Asked Questions

Everything you need to know about our products, subscription, and 30-day money-back guarantee.

Collapsible rowWhat are longevity supplements and why are they useful?

Collapsible RowWhat ingredients are in high-quality longevity supplements?

Among the most scientifically researched longevity active ingredients are NAD+ precursors such as nicotinamide riboside (NR), coenzyme Q10, spermidine, trans-resveratrol, alpha-lipoic acid, as well as plant-based adaptogens like Ashwagandha, Brahmi, and Lion's Mane. Spermidine has demonstrably positive effects on autophagy—a mechanism that breaks down and renews damaged cell components. In PUR4, these key active ingredients are combined with essential micronutrients such as B vitamins, zinc, selenium, and vitamins D3 & K2—for a formula that works at the cellular level, where true longevity begins.

Collapsible rowHow do PUR4 supplements differ from other dietary supplements on the market?

The market for dietary supplements is large – and confusing. Many longevity supplements are criticized due to a lack of scientific evidence. PUR4 addresses this directly: No product goes on sale unless it has been tested for several years in our own MedVital clinics. All formulas are designed as all-in-one solutions, replacing the endless combination of individual products and saving time, money, and research. Produced in our own certified laboratory in Bavaria, developed by doctors, free from additives, and 100% vegan. Quality that comes from within.

Collapsible RowWho are PUR4 food supplements suitable for?

The PUR4 product line was developed for people who want to actively shape their health — regardless of age or fitness level. Whether you are looking for more energy in everyday life, want to strengthen your immune system, are working on gut health or sleep quality, or want to invest in your longevity long-term: there is a PUR4 product tailored exactly to your goal. For women, PUR4 HER offers a hormone-sensitive formula with maca, pomegranate, and B vitamins. For men, PUR4 HIM covers specific needs related to energy, testosterone, and vitality. Athletes particularly benefit from PUR4 MITO POWER and PUR4 MOVE. Those who want to start holistically can find the right recommendation in a free initial consultation at pur4.de.

Collapsible rowAre vegan supplements as effective as conventional ones?

Yes — the effectiveness of a supplement is not determined by the origin of the capsule, but by the quality and bioavailability of the ingredients. European production and transparent supply chains ensure quality; German manufacturers guarantee strict food regulations. All PUR4 products are fully vegan, free from animal gelatine capsules, artificial colours, magnesium stearate, and other unnecessary excipients. By producing in its own laboratory in Bavaria, PUR4 has complete control over the purity, dosage, and tolerability of each individual formula — for maximum effectiveness without compromise.

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