# Friday Favorites: Vitamin D Supplements Tested for COPD, Heart Disease, Depression, Obesity, and Cancer Survival

Page: https://stenobird.com/podcast/nutritionfacts-org-video-podcast-780859/friday-favorites-vitamin-d-supplements-tested-for-copd-heart-disease-depression-obesity-and-cancer-survival
Text version: https://stenobird.com/podcast/nutritionfacts-org-video-podcast-780859/friday-favorites-vitamin-d-supplements-tested-for-copd-heart-disease-depression-obesity-and-cancer-survival.md
Podcast: [NutritionFacts.org Video Podcast](https://stenobird.com/podcast/nutritionfacts-org-video-podcast-780859)
Published: 2026-05-29T11:50:27+00:00
Episode link: https://nutritionfacts.org/video/friday-favorites-vitamin-d-supplements-tested-for-copd-heart-disease-depression-obesity-and-cancer-survival/
Audio file: https://media.blubrry.com/nutritionfacts/assets.nutritionfacts.org/2026/04/vitamin-d-supplements-tested-for-COPD.mp4
Processing state: not_requested
JSON: https://stenobird.com/v1/public/podcasts/nutritionfacts-org-video-podcast-780859/episodes/friday-favorites-vitamin-d-supplements-tested-for-copd-heart-disease-depression-obesity-and-cancer-survival
Duration seconds: 415

## Resource

Before watching the video, can you guess which conditions vitamin D has actually been proven to work for in randomized, double-blind, placebo-controlled trials?

## Actions

- request_transcript: `POST https://stenobird.com/v1/public/podcasts/nutritionfacts-org-video-podcast-780859/episodes/friday-favorites-vitamin-d-supplements-tested-for-copd-heart-disease-depression-obesity-and-cancer-survival/transcription-requests` — Idempotently request low-priority transcript generation for this episode.
- read_markdown: `GET https://stenobird.com/podcast/nutritionfacts-org-video-podcast-780859/friday-favorites-vitamin-d-supplements-tested-for-copd-heart-disease-depression-obesity-and-cancer-survival.md` — Read the agent-friendly Markdown representation of this episode resource.

A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed.

## Transcript

Full transcripts are not published on public pages unless there is a clear rights basis.