Health & Wellness Products (supplements, wellness gadgets, etc.)

Why this niche sells: Wellness remains top of mind; people are buying more for fitness, longevity, stress relief.
GeekChamp
+1

Key affiliate tip: Focus on trends (sleep, stress, immune health), use clear evidence/reviews, and be ethical (only promote products you trust).
Note: Regulatory issues: in many countries you must be careful with health claims; include disclaimers. Check local shipping & import rules.