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Science & transparency

What the research says. And what it doesn't.

We link every study we cite, so you can read it yourself.

RSF background

The terminology, made clear.

Understanding a product description is different from establishing a medical result.
Acellular
Acellular means without cells. Ultra RSF is described as a placental-derived, acellular product, not a live stem-cell treatment.
Signaling factors
Proteins and other molecules can carry messages between cells. Studying those messages does not establish that a particular product repairs tissue or relieves pain.
Product description vs. evidence
Joint Signals describes Ultra RSF as containing 300+ proteins and growth factors. This is a source-provided composition description, not independently verified laboratory testing or proof of clinical benefit.

Product-description source: Joint Signals. We do not adopt its treatment protocols, outcome promises or regulatory claims. Medical suitability, handling and administration require a licensed physician's guidance.

Joint Signals · Edited excerpts

A closer look at the biology.

Brief excerpts on general biology, not demonstrations of Ultra RSF effectiveness or safety. Treatment promises, protocols and regulatory claims from the original videos are not included.

Cellular distress signals

11 seconds · Edited from “How RSF Works” · Joint Signals

Transcript

When healthy tissue takes damage, it immediately releases chemical distress signals called DAMPs. You can think of these as biological smoke alarms, designed to trigger the moment harm occurs.

Placental tissue layers

5 seconds · Edited from “The Blueprints, Not the Builders” · Joint Signals

Transcript

This cross-section shows how the placenta is organized into distinct stacked layers.

Watch the full videos on Joint Signals

Joint Signals · Regen MDs

Watch the full RSF videos.

Full presentations from Joint Signals, with original Regen MDs patient stories linked below.

How RSF Works

The full source presentation about regenerative signaling factors.

The Blueprints, Not the Builders

The source presentation on acellular product concepts and placental tissue.

Presentations provided by Joint Signals. Treatment, safety and regulatory statements in these videos are not independently verified here and are not medical advice.

Patient testimonial stories

Watch the original neck, shoulder and knee stories published by Regen MDs.

View testimonials on Joint Signals

Full educational videos

Explore the original product information and presentations from Joint Signals.

Watch full videos on Joint Signals

Story links open on Joint Signals. These are Regen MDs stories, not verified Regenologix patient testimonials. Individual experiences are not clinical evidence or a promise of results; source statements do not establish Ultra RSF’s safety or effectiveness.

Read this first

Product-class research. Not Ultra RSF-specific results.

The studies below evaluate acellular placental and amniotic biologics as a broader class. They do not establish the effectiveness or safety of Ultra RSF specifically. Individual results vary.

12 mo

In a double-blinded trial of 81 patients with severe knee arthritis, the amniotic biologic group was still improving at one year after cortisone had faded.

JAAOS GRR 2025 ↗

200

Patients in a randomized trial where amniotic allograft outperformed hyaluronic acid and saline on pain and function at 3 and 6 months.

Pharmaceuticals 2022 ↗

6.6 → 2.9

Average spine pain on a 10-point scale, held at a mean of 21 months after one placental injection in patients who had failed conventional care.

Front Pain Res 2024 ↗

Important context

These trials studied acellular placental and amniotic biologics as a product class, not Ultra RSF specifically. Individual results vary.

How care is given

A licensed physician reviews every case before anything is dispensed or administered. Care is adjunctive to your existing medical care and is not intended to diagnose, treat, cure or prevent any disease.

Joint Signals source documents

Publisher-provided presentations and study collections. These are external source materials, not independently verified Ultra RSF clinical evidence.