Vitapak Program for healthy joints Helps to maintain healthy cartilage and joints. It also helps to relieve joint pain associated with osteoarthritis. GNC Women’s Ultra Mega Joint Vitapak Program conveniently combines nutrients that support a woman’s overall nutritional needs with focused ingredients to maintain joint health. Timed-Release Women’s Ultra Mega without Iron ? Our premium timed-release formula includes vitamins and minerals to supplement key nutrients that may be missing in your daily diet