What is the best blend of investment products that will provide you with a sustainable, tax-efficient income in retirement?

While there is no question that the pre-retirement tax benefit from investing in a retirement annuity is significant, to what extent is an RA tax efficient over the full course of your financial plan which includes the 20-odd years you will be drawing a retirement income? In this podcast Maya speaks to financial planner Wynand Gouws, author of To 100 and Beyond, about the most tax efficient portfolio for retirement.