Gone through the list and still don't know which to try? The Bestseller Lactation Support Bundle is the best trial pack for anyone new to Legendairy products and is looking to increase your milk supply. Each bottle last for 10 days, this is a 30 day trial pack. Results usually show within 2-7 days. We recommend trying each product for at least 7 days. Should you wish to combine products, do it after the trial.