*   00:00:00 - Beginning of Q&A
*   00:00:53 - Q: What do you think of the newly FDA-approved UV filter bemotrizinol compared with other sunscreen filters? [1](https://pmc.ncbi.nlm.nih.gov/articles/PMC13456150/),[2](https://link.springer.com/article/10.1007/s40572-025-00492-9),[3](https://jamanetwork.com/journals/jama/fullarticle/2759002)
*   00:12:12 - Q: What ingredients should we avoid in skincare and haircare products? [1](https://pubmed.ncbi.nlm.nih.gov/26947464/),[2](https://pubmed.ncbi.nlm.nih.gov/35669814/)
*   00:15:39 - Q: What perfumes or fragrances do you use?
*   00:16:09 - Q: Is Cellbone's Neutralizer safe for daily use?
*   00:17:49 - Q: What do you think about the study suggesting that HIIT may accelerate brain shrinkage? [1](https://link.springer.com/article/10.1007/s40279-026-02434-3),[2](https://www.dovepress.com/effect-of-5-years-of-exercise-intervention-at-different-intensities-on-peer-reviewed-fulltext-article-CIA),[3](https://link.springer.com/article/10.1186/s11556-025-00398-3)
*   00:26:31 - Q: What is your view on high- vs. low-carb diets? [1](https://www.jacc.org/doi/10.1016/j.jacc.2025.12.038),[2](https://pubmed.ncbi.nlm.nih.gov/28698222/)
*   00:31:43 - Q: What does your current diet and macronutrient split look like? [1](https://pubmed.ncbi.nlm.nih.gov/15735074/)
*   00:35:51 - Q: Where do you buy your groceries, meat, and seafood?
*   00:36:33 - Q: Which brand of microplastic-free salt do you use?
*   00:36:40 - Q: How do you approach eating out, given what you know about nutrition?
*   00:37:48 - Q: What supplements do you recommend for menopausal hair thinning? [1](https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1719711/full),[2](https://www.dovepress.com/an-overview-of-commonly-used-natural-alternatives-for-the-treatment-of-peer-reviewed-fulltext-article-CCID)
*   00:38:16 - Q: Eating barley vs. taking a barley supplement? [1](https://link.springer.com/article/10.1186/s12940-025-01165-8),[2](https://linkinghub.elsevier.com/retrieve/pii/S0002916523048426),[3](https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/effect-of-oat-glucan-on-ldlcholesterol-nonhdlcholesterol-and-apob-for-cvd-risk-reduction-a-systematic-review-and-metaanalysis-of-randomisedcontrolled-trials/60A75CB215602240E9363D49DCB690ED)
*   00:39:41 - Q: What is your favorite sugar substitute? [1](https://pubmed.ncbi.nlm.nih.gov/40444390/),[2](https://pubmed.ncbi.nlm.nih.gov/36849732/),[3](https://pubmed.ncbi.nlm.nih.gov/38842092/)
*   00:40:22 - Q: Has CocoaVia changed its ingredients, and is the new version worse? [1](https://www.sciencedirect.com/science/article/abs/pii/S1551714422000544)
*   00:41:58 - Q: What are your thoughts on fish oil vs. krill oil for _APOE4_ carriers? [1](https://faseb.onlinelibrary.wiley.com/doi/10.1096/fj.201801412R),[2](https://pubmed.ncbi.nlm.nih.gov/32690472/)
*   00:42:46 - Q: Is there a difference between urolithin A gummies and softgels? [1](https://pmc.ncbi.nlm.nih.gov/articles/PMC9133463/),[2](https://pmc.ncbi.nlm.nih.gov/articles/PMC8777576/),[3](https://www.nature.com/articles/s43587-025-00996-x)
*   00:44:09 - Q: Do you still give Avmacol to your whole family?
*   00:44:29 - Q: How does BrocElite compare with Avmacol? [1](https://pubmed.ncbi.nlm.nih.gov/38274178/),[2](https://academic.oup.com/schizbullopen/article/3/1/sgac024/6543894),[3](https://aacrjournals.org/cancerpreventionresearch/article/18/6/335/762554/Randomized-Phase-II-Clinical-Trial-of-Sulforaphane)
*   00:45:50 - Q: Do you still recommend Thorne after its acquisition by Procter & Gamble?
*   00:47:08 - Q: How can you lower homocysteine, and what level is optimal? [1](https://onlinelibrary.wiley.com/doi/10.1111/joim.13279),[2](https://academic.oup.com/nutritionreviews/article/83/7/e1533/8019579),[3](https://www.nature.com/articles/s41598-017-05205-3)
*   00:50:25 - Q: What do you think of the recent study on mislabeled avocado oil? [1](https://www.sciencedirect.com/science/article/pii/S2772502226007274)
*   00:52:26 - Q: What are your thoughts on peptide use and sourcing? [1](https://www.science.org/content/article/fda-committee-votes-make-peptides-more-widely-available),[2](https://link.springer.com/article/10.1007/s13181-020-00814-3)
*   00:54:09 - Q: Can glutathione and trans-resveratrol replace Avmacol? [1](https://pubmed.ncbi.nlm.nih.gov/29888232/)
*   00:55:45 - Q: Do you take CoQ10? [1](https://pubmed.ncbi.nlm.nih.gov/19284181/)
*   00:56:15 - Q: Is Prostaphane a reliable sulforaphane source?