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Milk Thistle vs Magnesium — Which Should You Take?

Milk Thistle

herbs

Typically £8–£25/month

Magnesium

minerals

Typically £8–£25/month
Feature
Milk Thistle
Magnesium
Typical Dosage
150-300 mg silymarin daily
200-400mg elemental magnesium daily
Best Form
standardised extract
Magnesium Glycinate
Key Benefits
5 listed
5 listed
Evidence Rating
★★★★★
★★★★★
Best Time
with meals for better absorption
Evening for sleep benefits, split doses for absorption
Upper Limit
600 mg daily
800mg daily
Side Effects
4 noted
3 noted

Milk Thistle Benefits

liver support
antioxidant activity
bile production
detoxification support
anti-inflammatory properties

Magnesium Benefits

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

Milk Thistle Side Effects

mild gastrointestinal upset
allergic reactions (rare)
headache
loss of appetite

Magnesium Side Effects

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

Can You Take Milk Thistle and Magnesium Together?

In most cases, Milk Thistle 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.

Milk Thistle: may interact with drugs metabolised by CYP3A4

Milk Thistle: potential interaction with statins

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

Magnesium: Can interact with blood pressure medications

Which Should You Choose?

Choose Milk Thistle if your primary goal is: liver support. Choose Magnesium if your primary goal is: sleep quality improvement.

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Frequently Asked Questions

Is Milk Thistle better than Magnesium?

It depends on your goals. Milk Thistle and Magnesium serve different purposes and are often taken together.

Can I take Milk Thistle and Magnesium together?

In most cases, yes. Milk Thistle 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 Milk Thistle?

with meals for better absorption

What is the best time to take Magnesium?

Evening for sleep benefits, split doses for absorption

What are the side effects of Milk Thistle?

mild gastrointestinal upset. allergic reactions (rare). headache. loss of appetite.

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.

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