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Sweet Potatoes vs Potatoes For Weight Loss

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Potatoes, a versatile staple, often spark questions when it comes to weight loss. Are they a friend or foe? Let’s delve into the world of potatoes and sweet potatoes to guide your weight loss diet.

Potatoes vs Sweet Potatoes

Potatoes hail from the starchy roots of Solanum tuberosum, and not all parts of the plant are safe for consumption. Avoid sprouted potatoes, especially if they turn green, as they may accumulate the toxin solanine. Luckily, sweet potatoes, from Ipomoea batatas, don’t share this concern, and their sprouts are safe to eat.

Potatoes Varieties

With over 200 types in the United States, potatoes offer diverse choices:

  • Russet Potatoes: Ideal for baking, frying, and mashing.
  • Red Potatoes: Perfect for boiling, roasting, or salads with a sweet and nutty flavor.
  • White Potatoes: Great for boiling, roasting, or mashing, with a mild and slightly sweet taste.
  • Yellow Potatoes: Suitable for boiling, roasting, or frying, boasting a sweet and buttery flavor.
  • Blue/Purple Potatoes: High in antioxidants, with a nutty, earthy flavor.
  • Fingerling Potatoes: Small, thin, and ideal for roasting or grilling.
  • Petite Potatoes: Small, round, and versatile, perfect for various dishes.

While their nutritional values are similar, note that blue/purple potatoes offer more antioxidants, while fingerling potatoes have slightly higher calories and carbohydrates.

Sweet Potato Varieties

Sweet potatoes, not true potatoes, come in various types:

  • Beauregard: Deep orange flesh, often used in pies and casseroles.
  • Jewel: Deep orange flesh, ideal for sweet recipes like fries or roasted sweet potatoes.
  • Garnet: Deep red skin, known for a sweeter taste, perfect for casseroles or mashed sweet potatoes.
  • Hannah: Tan skin, less sweet, suitable for savory dishes like soups or stews.
  • Japanese: Reddish-purple skin, used in Japanese cuisine like tempura or rice bowls.
  • O’Henry: Light tan skin, slightly sweet, great for roasting or grilling.
  • Purple: Deep purple skin, sweet and nutty, often used in vibrant pies or casseroles.

Each sweet potato type offers unique flavors and nutritional benefits, with varying concentrations of antioxidants.

Nutritional Benefits

NutrientPotatoesSweet Potatoes
Vitamin CGood source (30% DV in medium potato)Good source (30% DV in medium sweet potato)
PotassiumRich source (20% DV in medium potato)Rich source (15% DV in medium sweet potato)
Vitamin B6Good source (10% DV in medium potato)Good source (Vitamin B6) in both
FiberGood source (Dietary fiber for digestion)Good source (Dietary fiber for digestion)
IronSmall amountsSmall amounts
Magnesium48 mg per 100 grams25 mg per 100 grams
Beta-carotene (Vit A)NegligibleExcellent source (400% DV in medium sweet potato)
Sugar ContentLowerHigher
Nutritional benefits of Potatoes vs Sweet Potatoes

The macronutrient densities of regular potatoes and sweet potatoes are also not that different.

Potatoes vs sweet potatoes for weight loss
Nutritional comparison for regular potatoes vs sweet potatoes.

Overall, both types are pretty comparable in terms of nutrition, and the exact amount of nutrition provided will depend on how they’re prepared.

For example baking or boiling for longer periods of time tend to increase the carbohydrate content for both.

Are Potatoes Bad for Weight Loss?

The notion that potatoes are an unhealthy choice for those looking to lose weight is unfounded. Research does not support the idea that potato consumption leads to weight gain or heart disease.

Surprisingly, studies indicate that adolescents who include potatoes in their diet may experience improved nutritional status, suggesting that potatoes can be a beneficial source of carbohydrates for this age group.

However, it’s important to note that negative health associations arise when dealing with fried potato products. For individuals with type 2 diabetes, there may be some considerations, given that potatoes are relatively high in carbohydrates. Monitoring carbohydrate intake is crucial in managing diabetes.

For those without diabetes, incorporating potatoes into your diet in a sensible manner—while avoiding fried versions—poses no significant risk of weight gain or heart disease.

Pros: Noteworthy Carb Benefits

While potatoes are rich in carbohydrates, primarily due to their starch content, they may not align with low-carb or ketogenic diets. Nonetheless, potatoes offer a substantial amount of fiber, especially when consumed with the skin.

CaloriesCarbs (g)Fiber (g)
Sweet potato90203.3
Potato93202.2
Brown rice112231.8
White rice130280.3
Pasta131252.5
Whole wheat bread247446.2
White bread265492.7
Nutritional comparison of different carb sources (100 g)

In comparison to other commonly consumed carbohydrate sources, potatoes and sweet potatoes generally boast fewer calories and carbs per unit weight, while retaining a commendable amount of fiber. Additionally, potatoes are a rich source of essential vitamins and minerals, making them a more nutritious choice than alternatives like pasta or white bread.

Cons: Predominantly Carbohydrate Composition

Due to their predominantly carbohydrate nature, potatoes might not provide the same sense of fullness later in the day as foods higher in protein or fat, such as chicken or eggs.

For instance, a medium baked potato with gravy may not keep you feeling as satiated a few hours later compared to consuming three hard-boiled eggs, despite both providing approximately the same number of calories.

It’s worth noting that the carbohydrate in potatoes is not as complex as that found in nuts, seeds, beans, or lentils. Consequently, potatoes have a higher glycemic index, leading to a quicker increase in blood sugar levels. Nevertheless, their glycemic index is lower than that of highly refined carbs like muffins or breads.

Are Sweet Potatoes the Superior Choice?

In the realm of weight loss, sweet potatoes and regular potatoes yield practically identical effects. Both can be part of a healthy diet without one being significantly superior to the other.

Sweet potatoes have a natural sweetness, making them more likely to be enjoyed on their own, while regular potatoes often come with additions like butter or bacon.

However, piling condiments onto a regular potato can increase calorie intake and alter its nutritional profile, leading to a potential misconception that regular potatoes are less healthy.

But the belief that sweet potatoes are unequivocally superior is not entirely grounded in reality. Two prevalent myths need debunking:

MYTH 1: More Nutritious

The truth depends on the nutrients under consideration. Sweet potatoes excel in vitamin A (beta-carotene), vitamin C, and potassium, while regular potatoes boast more iron and magnesium. Both are nutritious, with slightly different nutrient concentrations.

No clear winner emerges in the nutrition department; they offer distinct benefits.

MYTH 2: Lower Glycemic Index

Once again, reality paints a different picture. While sweet potatoes may have slightly more soluble fiber, they contain more sugar, potentially increasing the glycemic index.

Preparation methods and the type of regular potato matter—Russet potatoes tend to have higher glycemic indexes than Red potatoes. In the end, fully baked sweet potatoes and regular potatoes often have similar glycemic indexes.

Summary

Potatoes and sweet potatoes are excellent sources of carbohydrates, providing a healthy alternative to pasta or rice in your meals. Whether you need a pre-workout energy boost or want to incorporate carbs into your diet, potatoes can be a delicious and nutritious choice.

For those craving something sweet while watching sugar intake, opting for a small sweet potato is a smart move.

To maximize the nutritional benefits while on a weight loss journey, it’s advisable to cook the whole potato, including the skin. This preserves essential nutrients that contribute to overall health.

However, not all potato products are created equal. Processed options like french fries or potato chips lack the wholesome advantages of whole potatoes. These processed variants are often high in calories, unhealthy fats, sodium, and undergo extensive processing, stripping away beneficial nutrients.

In your weight loss efforts, it’s wise to limit or avoid processed potato products. Opt for healthier alternatives like baked potatoes or sweet potatoes with minimal added fats and sodium. By making these mindful choices, you can enjoy the goodness of potatoes without compromising your weight loss goals.

Citations

Agarwal S, Fulgoni VL 3rd. Intake of Potatoes Is Associated with Higher Diet Quality, and Improved Nutrient Intake and Adequacy among US Adolescents: NHANES 2001-2018 Analysis. Nutrients. 2021;13(8):2614. Published 2021 Jul 29. doi:10.3390/nu13082614

Borch D, Juul-Hindsgaul N, Veller M, Astrup A, Jaskolowski J, Raben A. Potatoes and risk of obesity, type 2 diabetes, and cardiovascular disease in apparently healthy adults: a systematic review of clinical intervention and observational studies. Am J Clin Nutr. 2016;104(2):489-498. doi:10.3945/ajcn.116.132332

Cruijsen E, Indyk IM, Simon AWE, Busstra MC, Geleijnse JM. Potato Consumption and Risk of Cardiovascular Mortality and Type 2 Diabetes After Myocardial Infarction: A Prospective Analysis in the Alpha Omega Cohort. Front Nutr. 2022;8:813851. Published 2022 Jan 27. doi:10.3389/fnut.2021.813851

Glycemic Index Research and GI News https://glycemicindex.com/gi-search/

Larsson SC, Wolk A. Potato consumption and risk of cardiovascular disease: 2 prospective cohort studies. Am J Clin Nutr. 2016;104(5):1245-1252. doi:10.3945/ajcn.116.142422

Moholdt T, Devlin BL, Nilsen TIL. Intake of Boiled Potato in Relation to Cardiovascular Disease Risk Factors in a Large Norwegian Cohort: The HUNT Study. Nutrients. 2019;12(1):73. Published 2019 Dec 27. doi:10.3390/nu12010073

Robertson TM, Alzaabi AZ, Robertson MD, Fielding BA. Starchy Carbohydrates in a Healthy Diet: The Role of the Humble Potato. Nutrients. 2018;10(11):1764. Published 2018 Nov 14. doi:10.3390/nu10111764

Schwingshackl L, Schwedhelm C, Hoffmann G, Boeing H. Potatoes and risk of chronic disease: a systematic review and dose-response meta-analysis. Eur J Nutr. 2019 Sep;58(6):2243-2251. doi: 10.1007/s00394-018-1774-2. Epub 2018 Jul 9. PMID: 29987352; PMCID: PMC6689281.

USDA https://fdc.nal.usda.gov/

Yiannakou I, Yuan M, Pickering RT, Singer MR, Moore LL. Potato consumption is not associated with elevated cardiometabolic risk in adolescent girls. Br J Nutr. 2022;128(3):521-530. doi:10.1017/S0007114521003445

Attributions

Dinesh Valke from Thane, India, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons

H. Zell, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons

Mathias Karlsson, CC BY-SA 3.0 http://creativecommons.org/licenses/by-sa/3.0/, via Wikimedia Commons

“Own work, copyleft. Multi-license with GFDL and Creative Commons CC-BY-SA-2.5 and older versions (2.0 and 1.0)”


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