SEO Comparison Analysis

Vitamin D

vs

Magnesium Supplements

Comparison Type: SEO Potential

SEARCH VOLUME ANALYSIS

Vitamin D 165,000/month

Seasonal Trends: Peaks in winter months (Nov-Feb)

Geographic Hotspots: Northern states, Canada, Nordic countries

Magnesium Supplements 82,500/month

Seasonal Trends: Consistent year-round with slight Q1 increase

Geographic Hotspots: Urban centers, Australia, UK

KEYWORD DIFFICULTY & COMPETITION

Term	Difficulty Score	Competition	SERP Features
Vitamin D	78/100 (High)	Very High	Featured Snippet, People Also Ask, Medical Knowledge Panel
Magnesium Supplements	62/100 (Medium)	Moderate	Shopping Results, People Also Ask, Related Products

SEARCH INTENT ANALYSIS

Vitamin D

Primary Intent:

Informational (65%), Commercial (35%)

User Journey:

Research → Consideration → Purchase

Content Format:

Guides, Medical Articles, Product Reviews

Magnesium Supplements

Primary Intent:

Commercial (55%), Informational (45%)

User Journey:

Problem Aware → Comparison → Purchase

Content Format:

Comparison Posts, Lists, Product Reviews

CONTENT OPTIMIZATION RECOMMENDATIONS

Title Tag Optimization

• Use "Vitamin D vs Magnesium" in primary H1

• Include health benefits, dosage comparison in H2 tags

• Maintain keyword density of 1.5-2% for primary terms

Meta Description Best Practices

• Clearly state the comparison offers evidence-based information

• Include both terms naturally within 150-160 characters

• Add action-oriented language: "Learn which supplement is right for you"

Internal Linking Strategy

• Link to related content on nutrient deficiencies

• Create topic clusters with supporting content pieces

• Use exact match anchor text sparingly (15-20% of links)

HIGH-POTENTIAL COMPARISON TOPICS

X vs Y Opportunities

• Vitamin D vs Calcium absorption
• Magnesium citrate vs glycinate forms
• Liquid vs tablet supplement comparison
• Morning vs evening supplementation

Long-tail Variations

• "Best vitamin D supplement for women"
• "Magnesium for sleep and anxiety"
• "Vitamin D deficiency symptoms quiz"
• "Magnesium supplement side effects"

FAQ Content Ideas

• "Can you take vitamin D and magnesium together?"
• "How long to correct vitamin D deficiency?"
• "Best time to take magnesium supplements"
• "Magnesium dosage for different health goals"

HEALTH NICHE VISIBILITY INSIGHTS

E-A-T Considerations

• Include author credentials prominently (MD, RD, etc.)

• Update content regularly with publication dates

• Cite peer-reviewed studies (min. 5-7 references)

Medical Accuracy Requirements

• Follow NIH/CDC guidelines for dosage recommendations

• Include proper health disclaimers

• Verify all medical claims with multiple sources

Citation Recommendations

• Link to .gov/.edu sources when possible

• Include recent studies (≤3 years old)

• Use proper attribution for medical claims

Compliance Guidelines

• Follow FTC guidelines for supplement claims

• Ensure YMYL compliance for health content

• Avoid direct medical advice language

ACTIONABLE NEXT STEPS

Priority Content Creation

1. Create comprehensive "Vitamin D vs Magnesium" comparison guide (2,500+ words)

2. Develop supporting FAQ content addressing top user questions

3. Produce visual comparison chart for Pinterest/social sharing

Quick Wins

• Optimize existing product pages with comparison elements

• Create featured snippet-optimized content blocks

• Add schema markup for health/supplement content

Long-term Strategy

• Build topic cluster with 7-10 supporting articles

• Develop interactive tool (supplement recommendation quiz)

• Create video content explaining absorption differences

Analysis generated by Health SEO Comparison Assistant • Last updated: October 2023

Health & Wellness SEO Comparison Tool