Tools

Jump to section ▼ What we DO What we DON’T Where this leaves us Editorial independence Updates and corrections Contact Editorial standards How We Review Supplements This is the canonical source. The same content gets published as a static HTML page at usefulvitamins.com/how-we-review-supplements/. Every DTC review article links here via the methodology callout block. What […]

DTC Supplement Subscription Pricing Reference 2026 | UsefulVitamins DTC Supplement Subscription Pricing Reference 2026 Sortable comparison of AG1, IM8, Ritual, Seed, Care/of, and Bloom subscription pricing — with Amazon equivalent costs, cancellation friction, and article cross-references. Last updated 2026-04-28. Subscription prices verified from each brand’s direct checkout (or last verified price before shutdown for Care/of).

DTC Greens Powder Cost & Ingredient Comparator | UsefulVitamins DTC Greens Powder Cost & Ingredient Comparator Not all greens powders are created equal — or priced the same. This tool filters 10 products (4 DTC brands, 6 Amazon picks) by your monthly budget, dietary needs, and health goal, then surfaces the top 3 by value

Reference page for clinicians, patients, and journalists: every common GLP-1 receptor agonist side effect, the % incidence rate from registration trials, and the evidence-anchored supplement category that addresses it. Each row links to UV’s full review for the recommended supplement. Last updated 2026-04-27. Side-effect frequencies aggregated from STEP, SURMOUNT, SCALE, and SUSTAIN trial publications. Supplement

Pick your GLP-1 drug, the side effects you’re managing, and your goals. The tool returns a personalized supplement stack with evidence-anchored picks linking to our full UV reviews. This tool gives supplement-stack starting points, not medical advice. Discuss any supplement plan with your prescriber, especially if you have kidney disease, take other medications, or are

Which US state Medicaid programs cover Wegovy, Zepbound, or Saxenda for adult obesity in 2026? Color-coded tile map, sortable per-state table, BMI thresholds, prior-authorization criteria, and the coverage growth trend since 2022. Updated quarterly. State Medicaid drug coverage policies change monthly. The data below is based on publicly available Medicaid Preferred Drug Lists (PDLs), KFF

Chronological reference of FDA actions and major court rulings affecting compounded semaglutide and tirzepatide from the start of the GLP-1 shortages (2022) through April 2026. Each event has its own permalink anchor and is sourced to FDA documents, court filings, or contemporaneous coverage. Last updated: 2026-04-27. The compounded-GLP-1 enforcement story is still unfolding — we

Citable numbers on GLP-1 receptor agonists (semaglutide, tirzepatide, liraglutide, dulaglutide, exenatide) — market size, prescription volume, user demographics, clinical outcomes, pricing, insurance, side effects, and regulatory actions. Every stat is sourced. Use the anchor links to cite specific numbers. Last updated: 2026-04-27. Statistics on this page are gathered from FDA prescribing information, peer-reviewed clinical trials

Calculate the latest time you should drink your last caffeinated beverage based on your target bedtime, your caffeine sensitivity, and the dose. Built on a pharmacokinetic decay model with Drake 2013 sleep-disruption evidence as the threshold. Math, not medical advice. Caffeine half-life varies a lot between people. Average is about 5 hours, but pregnancy can

Estimate the daily vitamin D3 dose needed to raise your serum 25(OH)D from a known baseline to a target level. Based on Heaney 2003 dose-response (~100 IU/day per 1 ng/mL increase, weight-adjusted). Math, not medical advice. Get a serum 25(OH)D blood test before high-dose supplementation. The Endocrine Society recommends measuring 25(OH)D in adults at risk