SP
StackPedia
All Comparisons

TMG (Trimethylglycine) vs Magnesium — Which Should You Take?

TMG (Trimethylglycine)

amino acids

Typically £8–£25/month

Magnesium

minerals

Typically £8–£25/month
Feature
TMG (Trimethylglycine)
Magnesium
Typical Dosage
500-2000 mg daily
200-400mg elemental magnesium daily
Best Form
TMG powder
Magnesium Glycinate
Key Benefits
5 listed
5 listed
Evidence Rating
★★★★
★★★★★
Best Time
With meals for optimal absorption; divide doses throughout the day
Evening for sleep benefits, split doses for absorption
Upper Limit
3000 mg daily
800mg daily
Side Effects
3 noted
3 noted

TMG (Trimethylglycine) Benefits

Supports homocysteine metabolism and cardiovascular health
Enhances cellular methylation processes
May improve exercise performance and endurance
Supports liver function and detoxification
Potential cognitive and mood support benefits

Magnesium Benefits

Sleep quality improvement
Muscle relaxation and cramp prevention
Stress and anxiety reduction
Blood pressure regulation
Energy production

TMG (Trimethylglycine) Side Effects

Fishy body odour (rare, dose-dependent)
Mild gastrointestinal upset at higher doses
Potential slight increase in blood pressure in sensitive individuals

Magnesium Side Effects

Loose stools (especially citrate/oxide forms)
Rare: low blood pressure at very high doses
Generally very safe

Can You Take TMG (Trimethylglycine) and Magnesium Together?

In most cases, TMG (Trimethylglycine) and Magnesium can be taken together safely. However, always check the interactions section of each supplement and consult a healthcare professional if you take medication or have existing health conditions.

TMG (Trimethylglycine): May interact with blood pressure medications; monitor if taking antihypertensives

TMG (Trimethylglycine): Potential interaction with folate and B12 metabolism—ensure adequate B-vitamin status

Magnesium: May reduce absorption of antibiotics (tetracyclines, quinolones)

Magnesium: Can interact with blood pressure medications

Which Should You Choose?

Choose TMG (Trimethylglycine) if your primary goal is: supports homocysteine metabolism and cardiovascular health. Choose Magnesium if your primary goal is: sleep quality improvement.

Affiliate links — we may earn a small commission at no extra cost to you.

Frequently Asked Questions

Is TMG (Trimethylglycine) better than Magnesium?

It depends on your goals. TMG (Trimethylglycine) and Magnesium serve different purposes and are often taken together.

Can I take TMG (Trimethylglycine) and Magnesium together?

In most cases, yes. TMG (Trimethylglycine) and Magnesium can be taken together safely. However, always check for specific interactions and consult a healthcare professional if you take medication.

What is the best time to take TMG (Trimethylglycine)?

With meals for optimal absorption; divide doses throughout the day

What is the best time to take Magnesium?

Evening for sleep benefits, split doses for absorption

What are the side effects of TMG (Trimethylglycine)?

Fishy body odour (rare, dose-dependent). Mild gastrointestinal upset at higher doses. Potential slight increase in blood pressure in sensitive individuals.

What are the side effects of Magnesium?

Loose stools (especially citrate/oxide forms). Rare: low blood pressure at very high doses. Generally very safe.

How We Compare Supplements

This comparison is based on published clinical research, peer-reviewed studies from PubMed, and established nutritional science. We evaluate dosages based on clinically-effective amounts, not manufacturer recommendations. Benefits listed have at least moderate evidence from human studies. When evidence is limited or conflicting, we note this.

Disclaimer: This comparison is for educational purposes only and is not medical advice. Always consult a qualified healthcare professional before starting any supplement, especially if you take medication or have existing health conditions.

Related Comparisons

Popular Supplements on Amazon

As an Amazon Associate we may earn from qualifying purchases.