Q&A #58 with Dr. Rhonda Patrick (4/6/24)

        *   00:00:00 - Beginning of Q&A
*   00:00:18 - **Q:** Are vitamin B6 levels in multivitamins too high, and can having too much be toxic? [1](https://www.sciencedirect.com/science/article/pii/S2161831322004781),[2](https://www.nejm.org/doi/full/10.1056/nejm198308253090801),[3](https://www.sciencedirect.com/science/article/pii/S221343442030013X)
*   00:06:42 - **Q:** Determining vitamin B6 status [1](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6071262/),[2](https://www.sciencedirect.com/science/article/pii/S0002916523236424)
*   00:13:11 - **Q:** Is it necessary to take vitamin K2 with vitamin D to avoid calcium buildup? [1](https://link.springer.com/article/10.1007/s00394-019-01998-3),[2](https://heart.bmj.com/content/105/12/938),[3](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10218696/)
*   00:27:25 - **Q:** What are Rhonda's thoughts on high-dose vitamin B3 (niacin) and its relation to heart disease? [1](https://pubmed.ncbi.nlm.nih.gov/38112076/),[2](https://www.sciencedirect.com/science/article/abs/pii/S0026049516301056),[3](https://jamanetwork.com/journals/jamanetworkopen/article-abstract/2730481)
*   00:43:31 - **Q:** Does vitamin K compete with vitamin D for absorption? [1](https://pubmed.ncbi.nlm.nih.gov/25441954/) 
*   00:44:00 - **Q:** Is daily or cyclical time-restricted eating better for brain health and Alzheimer's disease risk? [1](https://onlinelibrary.wiley.com/doi/epdf/10.1111/apha.13936),[2](https://www.mdpi.com/1422-0067/14/4/6981),[3](https://link.springer.com/article/10.1007/s00125-019-05059-6)
*   00:49:00 - **Q:** What are Rhonda's thoughts on the claim that time-restricted eating increases cardiovascular disease risk? [1](https://www.sciencemediacentre.org/expert-reaction-to-conference-abstract-about-time-restricted-eating-and-cardiovascular-death/)
*   00:50:26 - **Q:** Can one have coffee within the first hour of waking up?
*   00:51:03 - **Q:** What are your current thoughts on Berkey filters?
*   00:55:52 - **Q:** What are Rhonda's thoughts on Verisol and Fortebone collagen powders? [1](https://pubmed.ncbi.nlm.nih.gov/24401291/),[2](https://pubmed.ncbi.nlm.nih.gov/23949208/),[3](https://www.mdpi.com/2072-6643/10/1/97)
*   01:00:48) - **Q:** Which biomarkers can one track to monitor the effects of a sulforaphane supplement? [1](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5981770/),[2](https://www.sciencedirect.com/science/article/abs/pii/S1756464612000953),[3](https://www.science.org/doi/10.1126/scitranslmed.aah4477)
*   01:03:07 - **Q:** What supplements can someone with the deleted glutathione transferase SNP take? [1](https://www.mdpi.com/1660-4601/13/4/379)
*   01:03:56 - **Q:** How can APOE4 carriers include flavonoids and greens in a low-carb diet? [1](https://pubs.rsc.org/en/content/articlehtml/2019/fo/c8fo01997e)
*   01:05:13 - **Q:** How long before bed does Rhonda use a sauna? [1](https://www.sciencedirect.com/science/article/pii/S0531556521002916)
*   01:05:44 - **Q:** Is using a sauna safe while breastfeeding?
*   01:07:00 - **Q:** How can one improve leg muscle strength and endurance for fast interval sprints? [1](https://journals.lww.com/nsca-scj/fulltext/2015/04000/Strength_Training_for_Endurance_Athletes__Theory.1.aspxPor)
*   01:08:04 - **Q:** Is it better to cycle or continuously take vitamin D, magnesium, vitamin K, and omega-3 supplements? [1](https://www.sciencedirect.com/science/article/abs/pii/S0960076013002331)
*   01:09:10 - **Q:** How can one avoid microplastics and PFAs in food and water? [1](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10072287/),[2](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6743849/),[3](https://www.ncbi.nlm.nih.gov/books/NBK584691/)
*   01:09:37 - **Q:** Can you comment on the study linking higher triglycerides in older adults to reduced dementia risk? [1](https://pubmed.ncbi.nlm.nih.gov/37879942/)
*   01:10:37 - **Q:** What brand of fish oil does Rhonda recommend?
*   01:12:53 - **Q:** How do freeze-dried, frozen, and fresh blueberries compare in terms of glucose metabolism? [1](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1082901/)
*   01:14:29 - **Q:** What are your thoughts on the Costco brand of Omega-3? [1](https://www.consumerlab.com/reviews/fish-oil-supplements-review/omega3/)