This Global Wellness Day (13th June), Holland & Barrett, Ireland's leading health and wellness retailer, is launching its biggest-ever Wellness Day Sale, offering customers significant savings across thousands of wellness products online and in stores nationwide. Running from 13th to 16th June, the promotion will feature up to 60% off selected products across vitamins, supplements, beauty, food and sports nutrition, helping customers invest in their wellbeing for less. As Iri