Which Astro products are kosher?

• Astro Plain Yogourt
• Astro Balkan Yogourt
• Astro BioBest Omega 3
• Astro BioBest Calcium
• Astro BioBest Lactose Reduced
• Astro BioBest Maximmunité
• Astro BioBest Smoothie
• Astro Original All Natural Fruit Bottom
• Astro Original All Natural Fat Free Fruit Bottom
• Astro Original Naturally Flavoured
• Astro Original Stirred
• Astro Original Organic
• Astro Tzatziki