OnHand
Journal

Notes on staying ready.

Why Two Concussion Doctors Built a Scoop Instead of a Pill
Recovery6 min · September 25, 2026

Why Two Concussion Doctors Built a Scoop Instead of a Pill

The format was a clinical decision, not a marketing one. Why OnHand is a powder you mix into water, and what that choice makes possible that a capsule does not.

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Hydration and the Brain: Why Fluid Balance Matters in Contact Sport
Recovery7 min

Hydration and the Brain: Why Fluid Balance Matters in Contact Sport

What the research actually shows about fluid loss and thinking, where the meaningful threshold sits, and why hydration is worth getting right without being oversold.

September 24, 2026
Sleep After a Head Impact: What Athletes and Parents Should Know
Recovery7 min

Sleep After a Head Impact: What Athletes and Parents Should Know

No, you do not need to wake them through the night. What current guidance says about sleep after a head impact, and why a consistent bedtime matters more than total hours.

September 23, 2026
Return to Play After a Head Impact: How the Six Steps Actually Work
Recovery8 min

Return to Play After a Head Impact: How the Six Steps Actually Work

The staged return to sport progression, explained step by step: what each stage involves, why 24 hours is the minimum, and what happens when signs come back.

September 22, 2026
The First 48 Hours After a Head Impact: A Practical Checklist
Recovery9 min

The First 48 Hours After a Head Impact: A Practical Checklist

A step by step guide to the first two days after a head impact: the danger signs, what rest actually means now, and what the current guidance says.

September 21, 2026
Head Impacts in Youth Sports: What Parents and Trainers Should Know
Sport5 min

Head Impacts in Youth Sports: What Parents and Trainers Should Know

How common are head impacts in youth sports, why young brains are vulnerable, and what parents and trainers can do to help. Backed by research.

September 2, 2026
Nutrients for Brain Recovery: What the Science Actually Says
Ingredients5 min

Nutrients for Brain Recovery: What the Science Actually Says

Omega-3s, magnesium, creatine and more: see which nutrients research suggests may support the brain's recovery, and how to get them.

September 2, 2026
What Is Head Impact Support? A Guide for Athletes, Trainers, and Parents
Head impact7 min

What Is Head Impact Support? A Guide for Athletes, Trainers, and Parents

Head impact support means caring for the brain before activity and after a hit. Learn what it is, why athletes use it, and what the science says.

September 1, 2026