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Editorial archive

Every piece the desk keeps on file, newest first. 46 articles on file.

2026

November 5, 2026Wearable return policy: what US law does and does not give
Wearable return policy in the US: no federal law gives a general right to return. See what FTC and card rules do cover before holiday buying.
October 25, 2026Private label supplements: who really makes the product
Private label supplements explained: who makes the product, what “manufactured for” means on a label, and the questions a buyer can ask a brand.
September 23, 2026Supplement allergen labels: what US law requires
Supplement allergen labels in the US: the nine major allergens, the sesame rule, and how to read may-contain statements on a bottle.
August 10, 2026Indoor air quality monitor buying guide: CO2 and PM2.5
Indoor air quality monitor buying guide: how CO2 and PM2.5 sensors work, how accurate they are, and what to check before you buy.
July 17, 2026Supplement expiration dates: what labels do and do not say
Supplement expiration dates are not required by US law. Learn what best-by wording means, what the rules say, and how to store bottles.
June 13, 2026Lab result units: mg/dL, mmol/L and ng/mL explained
Lab result units explained in plain words: what mg/dL, mmol/L and ng/mL mean, why reports differ, and how to convert them when comparing.
May 11, 2026Supplement cGMP rules: what 21 CFR 111 requires
Supplement cGMP rules explained in plain words: what 21 CFR Part 111 requires of makers and what a cGMP badge on a label does and does not prove.
April 14, 2026HPLC certificates of analysis: the five numbers that decide everything
Editorial team · Guide
March 12, 2026Supplement brand business registration: how to check it
Supplement brand business registration is public record. Learn how to search a state database, read the status and match it to the address on the label.
February 15, 2026Supplement log: how to track what you take each day
A supplement log is a simple daily record of what you take. Learn what to write down and how to share it with your clinician.

2025

December 24, 2025Export wearable data: how to download your records
Export wearable data: how to download your records, The BioHacking Awards
November 10, 2025Fake supplement discounts: how to spot counterfeits online
Fake supplement discounts are easy to fall for. Use this FTC-based checklist to spot false sale prices, fake reviews and risky checkouts.
October 9, 2025Magnesium supplement forms: how to read elemental amounts
Magnesium supplement forms explained: why the elemental magnesium line on the Supplement Facts panel is the number to compare across labels.
September 20, 2025Fish oil label guide: EPA, DHA amounts and freshness dates
Fish oil label guide: where EPA and DHA appear, what peroxide value tests mean, and which quality seals and standards exist for fish oil.
August 10, 2025Whey protein types: concentrate, isolate, hydrolysate
Whey protein types explained: how concentrate, isolate and hydrolysate differ in protein per scoop, lactose and labeling, with a quick label-reading method.
July 18, 2025DNA test data privacy: what to check before you spit
DNA test data privacy explained in plain words: what GINA covers, what the FTC found at one DNA company, and how to delete your data.
June 26, 2025Electrolyte powder label guide: sodium, sugar, fillers
Electrolyte powder label guide: sodium, sugar, fillers, The BioHacking Awards
May 17, 2025Traveling with supplements: TSA and customs rules
Traveling with supplements: what TSA allows for pills, powders and liquids, and what customs asks when you cross a border.
April 8, 2025Supplement recall lookup: how to check your product
Supplement recall lookup made simple: search FDA's recall list, match the lot number on your bottle, and know what to do if it matches.
March 13, 2025FDA warning letter lookup: how to check a brand
FDA warning letter lookup made simple: search the public database by company, read the subject line, and check for a close-out letter before you buy.
February 17, 2025Heavy metals in supplements: Prop 65 and label checks
Heavy metals in supplements: what California's Prop 65 warning means, how safe harbor levels work, and what lab data a buyer can ask for.
January 6, 2025Longevity clinic red flags to check before you pay
Longevity clinic red flags: a plain checklist on licenses, written prices, consent forms and ad claims to review before you book or pay.

2024

December 4, 2024HSA FSA wellness purchases: what qualifies and what does not
HSA FSA wellness purchases follow IRS medical care rules. See what qualifies, what needs a doctor's note, and what to skip when you spend pre-tax money.
November 13, 2024Wearable subscription cost: what you really pay
Wearable subscription cost decides what a tracker really costs. We add device and membership fees over two years for Oura, WHOOP and Fitbit.
October 3, 2024Smart scale body fat: how impedance readings work
Smart scale body fat numbers are estimates from a weak electric current. Learn how impedance works, why water shifts it, and how to read trends.
September 21, 2024Supplement subscription cancellation: your rights in the US
Supplement subscription cancellation is covered by U.S. law. See what sellers must disclose, how easy cancelling must be, and how to dispute a card charge.
August 25, 2024Home sauna buying guide: infrared vs traditional
This home sauna buying guide compares infrared and traditional cabins on wiring, heat-up time, running cost, wood and safety marks.
July 20, 2024Over-the-counter CGM: what FDA clearance covers
Over-the-counter CGM: what FDA clearance covers, The BioHacking Awards
June 17, 2024FDA cleared vs approved: what it means for devices
FDA cleared vs approved: what it means for devices, The BioHacking Awards
May 4, 2024Red light therapy device: specs to compare before buying
A red light therapy device is judged by wavelength, irradiance, size and FDA wording. Here is how to compare panels on specs, not promises.
April 3, 2024ISO 17025 accreditation: what a lab badge means
ISO 17025 accreditation shows a lab was assessed for competence on listed methods. Learn what scope means and how to check a lab in a public directory.
March 25, 2024Research use only label: what it means for buyers
A research use only label has a narrow legal meaning for diagnostic products. Here is what the phrase covers, what it does not prove, and what to ask a seller.
February 4, 2024Optical heart rate sensor: how wearables read your pulse
An optical heart rate sensor uses green light to count your pulse at the wrist. Learn how it works, what disturbs it, and how it differs from ECG.
January 9, 2024Proprietary blend on a label: what the total weight shows
Proprietary blend on a supplement label: how to read the total weight, the ingredient order, and what the panel leaves out. General information.

2023

December 22, 2023Supplement adverse event report: how to file one
Supplement adverse event report: how to file one, The BioHacking Awards
November 16, 2023Smart ring buying guide: fit, battery and data
Smart ring buying guide: how to compare fit, battery life, membership fees and data access before you pay for an Oura or Ultrahuman ring.
October 18, 2023Melatonin label accuracy: what to check before buying
Melatonin label accuracy in one 2023 JAMA study: 22 of 25 gummy products missed their label. Here is what the study found and what to check.
September 9, 2023NAD+ supplement labels: NR, NMN and what they mean
NAD+ supplement labels use names like NR and NMN. Learn what each ingredient name means, how FDA treats them, and what to check on the panel.
August 20, 2023Creatine buying guide: what the label should show
This creatine buying guide shows what to read on a tub label: the form, the Supplement Facts panel, the other ingredients and any outside seal.
July 22, 2023At-home lab test kits: what to check before buying
At-home lab test kits can be handy, but quality varies. Check the lab's CLIA status, the sample method, privacy terms and who explains results.

Earlier years

2023 articles