Have you recommended a client eat more turmeric in their diet to have them ask how they can achieve this?
Turmeric supplements are popular, but there is some evidence that indicates including turmeric as a spice in the diet has a holistic benefit to health & wellbeing. 
 
This 4-page PDF handout explains:
 
What 'Turmeric' is and a little bit of history
What the difference is between powdered and fresh turmeric
How to use turmeric in everyday meals and how this can benefit over simple supplementation in a caspule/tablet.
A couple of turmeric-tips for boosting availability/absorption (i.e. Black pepper & dietary fat)
Some suggestions for how to 'pair' turmeric with other spices and how this could be done when added to things like hot chocolates, egg dishes, salad and vegetable dressing etc.
A brief summary on the health benefits of turmeric
 
Recipes to demonstrate a few different ways turmeric can be used in cooking:
Golden Mylk Recipe
Turmeric Golden Pumpkin Curry
Turmeric Scrambled Eggs
Tahini & Turmeric Roast Vegie Dressing
Spiced Carrot Soup
 
 
REFERENCES: 
Murray, M. & Pizzorno, J. (2005). The Encyclopaedia of Healing Foods