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Oura Ring Gen 3/4 vs Magnesium Glycinate

Rick's comparison  ·  June 2026  ·  Last verified June 2026
Rick's Quick Verdict

Oura Ring Gen 3/4 (9.4/10) wins for most people. Magnesium Glycinate wins for a specific profile.

Side-by-Side Comparison

Winner
Oura Ring Gen 3/4
9.4
Fee: $299+$72/yr
Best sleep tracker
Full review →
Runner-Up
Magnesium Glycinate
8.1
Fee: $44/year
Best sleep supplement
Full review →

Who Should Choose Oura Ring Gen 3/4

Anyone wanting objective sleep data. 3 years of Rick's data. 28-point readiness improvement.

Shop Oura Ring →

Who Should Choose Magnesium Glycinate

Sleep onset over 20 minutes, first supplement to try. 7-minute sleep onset improvement in 60-day Oura-tracked trial.

Buy on Amazon →

Rick's Final Verdict

Oura Ring Gen 3/4 is Rick's recommendation for most people reading this comparison. Score: 9.4/10. 3 years of Rick's data. 28-point readiness improvement.

Magnesium Glycinate (8.1/10) is the right choice for a specific situation: sleep onset over 20 minutes, first supplement to try. If that describes you, the full review has the complete math.

Frequently Asked Questions

Which is better: Oura Ring Gen 3/4 or Magnesium Glycinate?
Oura Ring Gen 3/4 (9.4/10) wins for most people. 3 years of Rick's data. 28-point readiness improvement. Magnesium Glycinate is the right choice if: sleep onset over 20 minutes, first supplement to try.
What is Rick's score for Oura Ring Gen 3/4?
Rick rates Oura Ring Gen 3/4 9.4/10. Verdict: 3 years of Rick's data. 28-point readiness improvement.
What is Rick's score for Magnesium Glycinate?
Rick rates Magnesium Glycinate 8.1/10. Verdict: 7-minute sleep onset improvement in 60-day Oura-tracked trial.
Who should choose Oura Ring Gen 3/4?
Anyone wanting objective sleep data.
Who should choose Magnesium Glycinate?
Sleep onset over 20 minutes, first supplement to try.
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Head to head, by the numbers

Oura Ring Gen 3 / Gen 4Magnesium Glycinate (Life Extension)
Rick's score9.4/108.1/10
Price
Top strengthAccurate HRV tracking (clinically validated in peer-reviewed research)Well-tolerated form with low GI side effects
Biggest drawback$5.99/month subscription required for full data accessWell-tolerated form with low GI side effects

The case for Oura Ring Gen 3 / Gen 4

The case for Magnesium Glycinate (Life Extension)

Bottom line

Oura Ring Gen 3 / Gen 4 takes this one on the numbers (9.4/10 vs 8.1/10). Rick has worn an Oura Ring every night for over three years. Here is what three years of data looks like and what the ring actually tells you.

That said, Magnesium Glycinate (Life Extension) isn't a loser — it's a different answer. Rick ran a 60-day controlled trial. Sleep onset improved 7 minutes on average. The data is in the review. Not medical advice.

Read the full breakdowns: Oura Ring Gen 3 / Gen 4 review · Magnesium Glycinate (Life Extension) review · all rankings.