FDA Cleared New MRI Body Composition Software
The technology allows patients to track muscle and fat levels to support wellness and weight management goals.
Updated on Oct. 5, 2026 in Weight Loss
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The FDA has granted 510(k) clearance to the SwiftSight Body Composition MRI software, a new tool designed to quantify muscle and fat levels. This software will be used in whole-body and preventive imaging programs to assist patients with weight management.
Why it matters
This clearance provides a new, standardized method for patients and providers to track changes in visceral, subcutaneous, and liver fat, as well as muscle mass. By offering automated percentile rankings, the tool helps translate complex imaging data into actionable wellness information.
The FDA clearance is based on the software's ability to provide automated, standardized measurements of body composition. It remains unknown how clinical adoption will influence long-term health outcomes compared to traditional metrics.
The players
FDA
The federal agency responsible for protecting public health by ensuring the safety and efficacy of medical devices.
AIRS Medical
The medical technology company that developed the SwiftSight Body Composition MRI software.
SimonMed Imaging
A provider of medical imaging services that will be the first customer to implement the new software.
The details
The SwiftSight software analyzes MRI data to generate precise measurements of visceral, subcutaneous, and liver fat using proton density fat fraction technology. It also quantifies muscle mass in the abdomen and thighs. The system then benchmarks these individual results against age- and sex-matched reference populations to create visual summaries and percentile rankings.
Timeline
The FDA granted 510(k) clearance for the software in October 2026.
Health Landscape
This software represents a shift toward more granular, MRI-based body composition analysis in the weight-management and preventive medicine space. It marks a departure from traditional Dexa scans by enabling a more comprehensive assessment of internal fat distribution and muscle health.
If you are interested in tracking your body composition, ask your physician if your local imaging center provides automated analysis that compares your results to healthy reference populations. This technology may be particularly useful for individuals managing weight or metabolic health.
The takeaway
Advancements in medical imaging are making it easier to track changes in fat and muscle levels beyond simple weight measurements. If you are starting a new health program, talk to your doctor about whether advanced body composition imaging is an appropriate diagnostic tool for your needs.
Further reading
For more on managing body metrics and preventive health, visit Weight Loss.
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Do you trust AI-based software to provide accurate health and body composition assessments?
