SwissRX Calm

You trained hard today. Your legs are tired, sure, but your brain won't shut off, your sleep is fractured, and you feel wired even though you're exhausted. That's not weakness — that's cortisol.

Every hard training session floods your body with it, and when it doesn't come back down, it starts working against you: breaking down muscle, tanking your mood, wrecking your sleep, and pushing you closer to overtraining. Here's what most athletes don't realize: your brain has a natural brake for cortisol, and you can actually feed it.

SwissRX Calm delivers 100mg of pharmaceutical-grade phosphatidylserine — the compound that tells your body to dial down stress hormones — sourced from sunflower oil and dosed at the level shown in clinical research to blunt exercise-induced cortisol and help your brain recover as hard as your legs do.

The Cortisol Brake Your Brain Is Missing – Phosphatidylserine — the compound that tells your body to dial down stress hormones — is naturally found in your brain cells, but hard training depletes it faster than diet can replenish it. SwissRX Calm delivers 100mg per softgel of a highly purified, high-concentration form so your body has what it needs to put the brakes on a runaway stress response.

Sunflower-Sourced, Not Soy – Most phosphatidylserine supplements use soy as their source. SwissRX Calm is derived from sunflower oil — a cleaner, non-GMO source that sidesteps soy sensitivities and aligns with the higher ingredient standards SwissRX holds across their entire line.

Pharmaceutical-Grade Purity at Clinical Dosages – SwissRX uses the same grade of phosphatidylserine studied in published research — not a cheaper substitute. Only 3% of supplement companies meet pharmaceutical-grade labeling standards. SwissRX is one of them, and it shows in the results athletes feel.

Every hard workout triggers a cortisol spike — that's normal and necessary. The problem is when cortisol stays elevated long after training ends, because chronically high cortisol breaks down muscle, suppresses immune function, disrupts sleep, and tanks your testosterone-to-cortisol ratio — the hormonal balance that drives adaptation and recovery.

Phosphatidylserine works by dampening the brain's stress signaling system, specifically by blunting the hormonal cascade that tells your adrenal glands to keep pumping out cortisol. Multiple double-blind, placebo-controlled studies in cyclists and athletes show it significantly reduces cortisol after exercise, speeds recovery, and reduces muscle soreness — all without sedation or side effects.

How to Use SwissRX Calm

Daily Dose: Take 1–3 softgels per day with food. Most athletes benefit from 300mg total daily (3 softgels), which is the dose most consistently shown in research to reduce stress-related cortisol.

Timing: Take one softgel post-workout when cortisol is highest, and one in the evening if stress or sleep disruption is an issue.

Pro Tip: Stack SwissRX Calm with SwissRX Night Time on your hardest training days — phosphatidylserine in both formulas works synergistically to blunt the cortisol spike that causes middle-of-the-night wake-ups.

SwissRX is the pharmaceutical-grade supplement brand trusted by WorldTour cycling teams and elite endurance athletes — the same brand The Feed chose exclusively when no other supplement company met the standard for the world's top pros. Athletes using SwissRX Calm consistently report faster recovery between sessions, more stable mood during high-volume training blocks, and better sleep quality on hard training days.

This isn't just another stress supplement. This is the cortisol control system your brain needs to turn hard training into actual fitness gains.