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DS Supplements

In-depth review
Free
Health & Fitness

DS Supplements offers a personalized dosage calculator for Targeted Nutritional Intervention (TNI) supplements, specifically designed for individuals with Down syndrome (Trisomy 21). Developed by Dr. rer. nat. Petra Buchanan, the app provides free tools to calculate BMI, growth percentiles, and vitamin D levels, offering valuable insights for caregivers.

Catalogued September 22, 2026 · Curated by PWA Directory team
💊DS Supplements
ds-supplements.de
DS Supplements, as it opens in a browser tab

DS Supplements, as it opens in a browser tab.

Online Only
Installable
Cross-Platform
✓
Free

Not sure how to add DS Supplements to your home screen? Step-by-step for Chrome, Safari, Firefox and Edge — it takes about ten seconds, and there is no app store involved.

Own DS Supplements? Have us re-run this measurement — we open it in a real browser, cut the network, and send you what survived.

Tags
dosage-calculatordown-syndrometrisomy-21nutritional-interventionhealth-calculatormedical-appcaregiver-supportfree-tools

How to install DS Supplements as a PWA

Chrome / Edge
Menu (⋮) → Add to Home screen
Safari (iOS)
Share (↑) → Add to Home Screen
Firefox
Menu (⋮) → Install

Screenshots

4 images · scroll →
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Why we recommend DS Supplements

DS Supplements earns a recommendation for its specialized focus on Down syndrome, offering a personalized dosage calculator for Targeted Nutritional Intervention. The app is developed by Dr. rer. nat. Petra Buchanan, adding professional credibility. Beyond supplement calculations, it provides additional free tools like BMI, growth percentile, and vitamin D calculators, which are directly applicable to the health monitoring of individuals with Down syndrome. The app clearly outlines the supplements used and their sources, promoting transparency. Its availability in multiple languages (German, English, French, Spanish, Portuguese) enhances its accessibility to a global audience, making it a valuable resource for caregivers seeking targeted nutritional guidance.

Best use cases

Best for: Caregivers of individuals with Down syndrome (Trisomy 21) who need a personalized calculator for supplement dosages. It's ideal for those looking to quickly determine BMI, growth percentiles, and vitamin D levels. The app also serves as a resource for understanding specific supplements relevant to TNI and staying informed on related news and updates in the field of Down syndrome nutrition.

Honest limitations

This app is specifically tailored for Down syndrome (Trisomy 21) and is not intended for general supplement dosage calculations for other conditions. While it offers free tools and calculators, it does not provide medical advice and should not replace consultation with healthcare professionals. There is no evidence of offline support, meaning an internet connection is likely required for full functionality.

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