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NMN Bio TMG vs NMN Bio Oh!Mg Magnesium

Side-by-side comparison of scores, ingredients, prices and real customer feedback for NMN Bio TMG and NMN Bio Oh!Mg Magnesium.

Last verified: 08 Apr 2026 · Based on 0 reviews

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78.0
Score Summary

NMN Bio TMG scores 78.0/100 vs NMN Bio Oh!Mg Magnesium at 77.0/100. NMN Bio TMG wins on value for money, side effects.

How Do the Scores Compare?

TMG (Trimethylglycine) | 50...
Oh!Mg | Relax Dream Repair ...
TMG (Trimethylglycine) | 500 mg | 90 Capsules
TMG (Trimethylglycine) | 50...
NMN Bio
 Oh!Mg | Relax Dream Repair | Evening Magnesium
Oh!Mg | Relax Dream Repair ...
NMN Bio
Overall Score 78.0 77.0
Effectiveness 75.0/100
Best
 75.0/100
Best
Ingredient Quality 80.0/100
Best
 80.0/100
Best
Value for Money 78.0/100
Best
 75.0/100
Side Effects 80.0/100
Best
 78.0/100
Certifications 80.0/100
Best
 80.0/100
Best
Best Price £29.00 NMN Bio →
Cheapest
 £45.00 NMN Bio →
Price per Serving £0.32 90 servings N/A
Form
Dose 500 mg
Third-Party Tested ✓ Yes ✓ Yes
Reviews Analysed 0 0

TMG (Trimethylglycine) | 500 mg ...

Pros

  • ✓Third-party tested for safety and ingredient accuracy
  • ✓Clean formulation using the anhydrous form of betaine
  • ✓Manufactured in a GMP and ISO9001-certified UK facility
  • ✓Generous 90-capsule supply per bottle

Cons

  • ✗500mg may require taking multiple capsules to reach the higher 1000mg doses used in some methylation protocols
  • ✗Absence of user reviews limits verification of digestive tolerance

Best For

People taking NAD+ boosters like NMN who need a reliable methyl donor to support their protocol
NMN Bio £29.00
View full review →

Oh!Mg | Relax Dream Repair | Eve...

Pros

  • ✓Verified by independent third-party laboratories
  • ✓Uses highly absorbable magnesium forms rather than cheap oxides
  • ✓Includes L-Theanine and lemon balm for targeted sleep support
  • ✓Produced in a GMP and ISO9001-certified UK facility

Cons

  • ✗Lack of user reviews makes it impossible to verify the actual impact on sleep architecture
  • ✗Exact milligram breakdown of the individual magnesium forms is not disclosed in the provided specs

Best For

Individuals struggling with evening tension who want a highly bioavailable magnesium complex
NMN Bio £45.00
View full review →

Score Breakdown: NMN Bio TMG vs NMN Bio Oh!Mg Magnesium

NMN Bio TMG Winner 78.0/100

TMG provides 500mg of anhydrous betaine per capsule to support methylation and complement NAD+ precursor supplementation.

Effectiveness
TMG (Trimethylgl..
75.0/100
Oh!Mg | Relax Dr..
75.0/100
Ingredient Quality
TMG (Trimethylgl..
80.0/100
Oh!Mg | Relax Dr..
80.0/100
Value for Money
TMG (Trimethylgl..
78.0/100
Oh!Mg | Relax Dr..
75.0/100
Side Effects
TMG (Trimethylgl..
80.0/100
Oh!Mg | Relax Dr..
78.0/100
Certifications
TMG (Trimethylgl..
80.0/100
Oh!Mg | Relax Dr..
80.0/100

What are the key differences?

NMN Bio TMG is best for: People taking NAD+ boosters like NMN who need a reliable methyl donor to support their protocol
NMN Bio Oh!Mg Magnesium is best for: Individuals struggling with evening tension who want a highly bioavailable magnesium complex

Frequently Asked Questions

Which is better, NMN Bio TMG or NMN Bio Oh!Mg Magnesium? ▼
NMN Bio TMG scores 78.0/100 overall while NMN Bio Oh!Mg Magnesium scores 77.0/100. NMN Bio TMG comes out ahead, scoring higher on effectiveness (75.0 vs 75.0). NMN Bio TMG is best suited for People taking NAD+ boosters like NMN who need a reliable methyl donor to support their protocol. NMN Bio Oh!Mg Magnesium is better for Individuals struggling with evening tension who want a highly bioavailable magnesium complex.
Is NMN Bio TMG worth the price compared to NMN Bio Oh!Mg Magnesium? ▼
NMN Bio TMG costs £29.00 while NMN Bio Oh!Mg Magnesium is £45.00. For value, NMN Bio TMG scores 78.0/100 vs NMN Bio Oh!Mg Magnesium's 75.0/100. NMN Bio TMG delivers better value relative to its quality.
Which has fewer side effects? ▼
NMN Bio TMG scores 80.0/100 for side effects (higher means fewer reported issues) while NMN Bio Oh!Mg Magnesium scores 78.0/100. Reviewers report fewer side effects with NMN Bio TMG. For certification and testing, NMN Bio TMG scores 80.0/100 vs NMN Bio Oh!Mg Magnesium's 80.0/100. Always consult a healthcare professional before starting any supplement.

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Disclaimer: AIScored provides data-driven comparisons based on publicly available reviews. This is not medical advice. Affiliate links may earn us a commission at no extra cost to you.

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