Our Journal

Probiotics after antibiotics are worth thinking about, but the evidence is more specific than most headlines suggest. Here's a look at what research shows, the foods that support a healthy gut, and how to read a probiotic label before you buy.

Hair density is how many strands you have, and hair thickness is how wide each strand is. They sound similar, but they're two different things, and mixing them up leads to the wrong styling and product choices. Here's how to tell them apart and work with what you've got.

Scalp massage is one of the simplest habits you can add to a hair care routine, and the research behind it is more modest than the headlines suggest. Here's what the studies measured, how to massage your scalp gently, and where cosmetic scalp serums fit in.

Alpha-MSH is a small signaling hormone your body makes from a larger precursor, and the KPV peptide is just the last three amino acids of it. This guide explains what alpha-MSH is, where it comes from, what it does, and how KPV fits in, without blurring the line between the hormone and the fragment.

The gut-skin axis is the research idea that your gut and your skin are connected, with signals that may run in both directions. This guide explains how gut microbes, short-chain fatty acids, and the immune system fit in, what research can say so far, and simple habits for healthy adults who want to care for both.

Choosing a urolithin A supplement starts with knowing what to check. Learn how to compare ingredient labels, amounts per serving, product formats, and third-party testing—and what current research can tell you.

Partially hydrolyzed guar gum (PHGG) is a soluble prebiotic fiber, sold under names like Sunfiber, that dissolves clear and adds fiber to foods and drinks without thickening them. This guide explains what PHGG is, how it differs from regular guar gum and psyllium, and what early research in healthy adults suggests.

Pterostilbene and resveratrol are closely related plant compounds, but they differ in structure, how well they are absorbed in research, and how much human evidence backs each one. This guide compares the two for healthy adults and shows how both fit into InfiniWell's NMN formula.

A gut microbiome test reads the microbial DNA in a stool sample and turns it into a report of organisms, diversity, and population balance. This guide explains what those numbers mean for healthy adults, why results differ between labs, and how to compare kits before you order.

Mitophagy is the process cells use to remove and recycle worn mitochondria. Learn how it works, how it differs from autophagy, and what current research suggests about exercise, fasting, and certain supplement ingredients.