I have been using Reflex Nutrition Nexgen+ and now switching to the new Nexgen Pro priced at £15.99 for 90 Capsules.
Nexgen Pro seems to contain a wider range of anti-oxidants and a super biologically active form of Vitamin K2-MK7, 200mg of Magnesium vs. only 18.82 mg of Magnesium in iForce.