Why consumers aren’t eating enough nuts and the opportunities this presents

Woman snacks on a macadamia nut

The popularity of nuts has soared in recent years as understanding of their health benefits expands, and consumers embrace the taste and texture they bring to snacks, home cooking and manufactured food products.

Nuts are packed with nutrients, and research shows regular nut consumption is associated with a wealth of health benefits, including significant reductions in coronary heart disease and cardiovascular disease risk 1-3 as well as reduced risk of stroke and type 2 diabetes. 1,2, 4-6

The well-known PREDIMED study7 examined the effects of a Mediterranean diet with and without nuts and found that including a daily serve of nuts in the diet reduced the composite risk of myocardial infarction, stroke or death from a cardiovascular cause by 28%.

Nut consumption is also associated with improved endothelial function,8,9  improvements in chronic inflammation,8-10 and emerging research suggests eating nuts may favourably impact the gut microbiome. 11-13

So what sits between consumers’ current behaviour and the recommendations they’re ignoring, and how do we bridge that gap?

Here we examine three of the most common barriers to regular nut consumption, debunk some misconceptions and highlight the opportunities these present to help close the gap between current and recommended consumption levels.

Barrier #1: Confusion around fat content and weight management

Nuts are an energy-dense food due to their high fat content. The primary fats in nuts are the favourable unsaturated kind (monounsaturated and polyunsaturated fats) that support good health. Macadamias are the number one nut source of monounsaturated fat. But despite a general shift away from the low fat diet messaging of decades past and promotion of the concept of ‘good’ and ‘bad’ fats, confusion remains, and it appears to be affecting consumer behaviour worldwide.

So what does science say? According to the narrative review, there is no evidence to suggest that eating nuts causes weight gain. 18, 19, 20 In fact, the opposite is true, with some evidence indicating that habitual nut consumption is associated with favourable effects in people who are overweight,21 particularly if nuts are being eaten in place of other foods in the diet.

Snacking on macadamias while bike riding

In terms of how nuts can help to support healthy body weight, there are multiple mechanisms at play:

The opportunity:  It appears that for many consumers, the idea of an energy-dense food being weight friendly is still counter-intuitive. The narrative review identifies an opportunity to educate consumers on the favourable fat profile of nuts, and the effects of nut intake on body weight to help consumers embrace nuts and products that contain them as part of their regular diet.

Barrier #2: Dental issues making nut consumption uncomfortable

Dentition issues can make it inconvenient or uncomfortable to eat nuts in kernel form, and a survey of Australian health professionals suggests this is a common concern, with more than half reporting their clients say that their dental issues make nut consumption problematic.17  Similar findings were reported in other countries too.

The opportunity: Nuts can be enjoyed in a variety of formats. Whether they’re chopped, in a paste or a flour, nuts provide essential nutrients, so there’s an opportunity to encourage consumption of less challenging formats among this group of consumers.

Image: courtesy Nuts For Life

Barrier #3: Nut allergy concerns

Avoidance of nuts and nut products is essential and the only treatment for those with a diagnosed nut allergy, and it’s a space in which knowledge and medical advice continues to evolve.

Surveys of health professionals in Australia and New Zealand revealed that the presence of a nut allergy was a common barrier for nut intake reported by clients. However the percentages reported (up to 15%) exceeded the prevalence of peanut and tree nut allergy reported in medical literature, where estimates range from less than 1% up to 4%. This may suggest some people are inaccurately self-reporting nut allergies.

As a country with some of the highest food allergy rates in the world, researchers in Australia are leading a worldwide shift in the way food allergies are managed, in the hope of stemming the rise in the number of children affected. The Australasian Society of Clinical Immunology and Allergy now recommends27:

The opportunity: Continued consumer education and reassurance around latest allergy research and advice is important, particularly among millennials who grew up in an era where nuts were largely avoided and are subsequently unsure whether it’s safe to incorporate nuts into their diets. The narrative review also highlights the opportunity for further research to explore whether those without medically diagnosed allergies are unnecessarily avoiding some foods.

Why the time is right to break down the barriers

There is significant unrealised global potential in terms of daily nut consumption, and  arguably consumers have never been more attentive when it comes to health messaging.

Understanding some of the barriers that are currently limiting consumers’ intake can help to guide strategy and messaging for nut industries, and brands embracing nuts as a rich nutrient, taste and texture addition to their products. With this knowledge and consumers’ current pursuit of optimum wellbeing, the stage is set to help more consumers than ever discover the benefits of a healthy handful of nuts daily.

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