Here's what to consider about plant based and cow's milk (Source: Getty Images/Thinkstock)
There are plenty of plant-based milk varieties available but not all of them may be nutritionally enough as much as cow’s milk, a new study suggested. According to the study which is yet to be published but has been presented in United States’ Boston at Nutrition 2023, the annual meeting of the American Society for Nutrition, not all plant-based milk options are fortified to meet the levels of various nutritional ingredients contained in dairy such as protein, vitamin D and calcium.
By analysing labels and ingredients for 233 plant-based milk products from 23 different manufacturers, the study found only 28 of the beverages had as much or more of such nutrients as cow’s milk.
“About half were fortified with vitamin D, two-thirds were fortified with calcium, and nearly 20 per cent had protein levels similar to cow’s milk,” said lead study author and registered dietitian Abigail Johnson.
These included milk made from pistachio, oat, walnut, hazelnut, almond, hemp, flax, cashew, and rice.
Specifically, 76 per cent of the oat-based milk, 69 per cent of the soy-based products, and 66 per cent of almond-milk alternatives were fortified with both calcium and vitamin D, the study noted.
Cow’s milk differs in terms of its nutrition (Source: Getty Images/Thinkstock)
Experts elucidate that cow’s milk and plant-based milk (such as almond, soy, oat, coconut) significantly differ in their nutritional composition. Suvidhi Jain, lifestyle, exercise and nutrition coach and founder – LEAN by Suvidhi enlisted some of them:
Protein: Cow’s milk is a good source of complete protein with 3-4 per cent protein by weight. Plant-based milk varies, with almond milk having 1-2 per cent protein, while soy milk is similar to cow’s milk at 3-4 per cent.
Fat: Cow’s milk contains both saturated and unsaturated fats, around 3-4 per cent fat. Plant-based milk types differ, with almond and rice milk having lower fat content, and coconut milk being richer in fat.
Vitamin D, vitamin B12 and calcium Cow’s milk contains all three micronutrients while plant-based milk lacks these. However most brands come with fortified vitamin D, B12, and Calcium to compensate for its absence
Lactose: Cow’s milk contains lactose, causing lactose intolerance in some individuals. Plant-based milk alternatives are lactose-free.
Environmental impact: Producing cow’s milk has a higher environmental footprint due to factors like greenhouse gas emissions and land use plus the use of animals, cows, and buffalos, to get milk. “Plant-based milk alternatives generally have a lower environmental impact,” said Jain.
So, what to consider?
When choosing between cow’s milk and plant-based milk, it is essential to consider your nutritional needs, dietary preferences, and any specific health concerns. “Always check product labels for nutrient information,” said Jain.
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