iHerb offers a wide range of supplements, fitness nurtition and natural products for all ages.
Their bestsellers for Hong Kong include:
If you order over HK$ 320 (approximately US$ 40) iHerb offers free shipping through SF Express. Orders usually get delivered by SF Express in less than a week. DHL delivery is also available for a reasonable cost (usually HK$ 40-60) and is more reliable, specially for residential and remote areas.
iHerb additionally offers a 10% loyalty credit on all purchases, along with regular and generous seasonal discounts on in-house / popular brands. Loyalty credits expire in 60 days.