Almonds (Badam) Benefits: Nutrition, Cholesterol and Whether to Soak Them
Published on 15 September, 2026
Almonds are the most studied nut there is, and unusually for a food with that much attention, the findings hold up. They lower cholesterol, they carry more vitamin E than anything else you are likely to eat, and they contain noticeably fewer calories than their label claims.
Here is what an ounce delivers, what the trials found, and a straight answer on the soaking question.
What an Ounce of Almonds Contains
Figures from the United States Department of Agriculture, per one-ounce serving of about 28 grams—roughly 23 almonds.
| Nutrient | Per 28 g (1 oz) | Share of daily value |
|---|---|---|
| Calories (label) | 162 kcal | — |
| Calories (measured) | about 129 kcal | see below |
| Protein | 5.9 g | 12% |
| Fat | 14.0 g | — |
| of which monounsaturated | 8.8 g | — |
| Carbohydrate | 6.0 g | 2% |
| Fiber | 3.5 g | 13% |
| Vitamin E | 7.2 mg | 48% |
| Riboflavin | 0.32 mg | 25% |
| Magnesium | 76 mg | 18% |
| Calcium | 75 mg | 6% |
| Iron | 1.04 mg | 6% |
Vitamin E: Almonds Have No Real Competition
Nearly half a day's vitamin E in a single ounce makes almonds the outstanding whole-food source of the nutrient. Very few foods come close.
Vitamin E is a fat-soluble antioxidant that protects cell membranes from oxidative damage, and it matters particularly for skin, eyes and immune function. It is also one of the nutrients that is genuinely difficult to get enough of from a typical diet, since the richest sources are nuts, seeds and vegetable oils rather than anything most people eat in volume.
The riboflavin is worth noting too, at a quarter of the day's requirement, along with a solid contribution of magnesium.
Almonds and Cholesterol
This is the best-established benefit, and it is not a marginal one.
A 2025 systematic review and meta-analysis of randomized controlled trials examined blood lipids in adults eating almonds, restricting itself to trials of at least four weeks. Its starting point was that the reduction in total cholesterol and low-density lipoprotein (LDL) cholesterol from eating almonds is already well established; the newer question it set out to answer was what almonds do to apolipoprotein B, a measure of the number of cholesterol-carrying particles in the blood that has emerged as a strong predictor of cardiovascular risk.
For a food, that is a strong position to be in. Almonds are one of the few whole foods with enough consistent trial evidence that researchers have moved on from asking whether they work to asking exactly which markers they move.
The likely mechanism is straightforward: monounsaturated fat replacing saturated fat, plus fiber and plant sterols that reduce cholesterol absorption in the gut.
Almonds and Blood Sugar
A 2022 systematic review and meta-analysis looked specifically at people with type 2 diabetes and found almonds improved several cardiometabolic measures.
The reason almonds suit blood sugar management is structural rather than exotic. They contain almost no rapidly digested carbohydrate, and the combination of protein, fat and fiber slows the digestion of whatever they are eaten alongside. An apple with almonds produces a gentler rise in blood glucose than the same apple alone.
Almonds Contain Fewer Calories Than the Label Says
This is one of the more surprising findings in nutrition, and it is well established.
Food labels calculate calories using Atwater factors, a system developed in the nineteenth century that assigns fixed energy values to protein, fat and carbohydrate. A tightly controlled 2012 study published in the American Journal of Clinical Nutrition tested whether those figures hold for almonds. Eighteen adults ate measured diets containing 0, 42 or 84 grams of almonds a day, and researchers collected and analyzed all urine and feces to work out how much energy the body actually absorbed.
The measured energy content came to 4.6 kcal per gram, equivalent to about 129 calories per 28-gram serving. The Atwater method predicted 6.0 to 6.1 kcal per gram, or 168 to 170 calories—an overestimate of 32 percent.
The explanation is the almond's cell wall. A good deal of the fat stays locked inside intact plant cells and passes through undigested rather than being absorbed. Later work confirmed that how almonds are processed changes this: finely ground almonds, and almond butter, release more of their energy than whole nuts chewed briefly.
For anyone counting calories, whole almonds are a better deal than the packet suggests.
Should You Soak Almonds?
Soaking almonds overnight and slipping off the skins is standard practice in Ayurveda and in many Indian households, where badam is often given soaked to children and to anyone convalescing. The question is whether it does anything measurable.
There are two reasonable arguments for it. Almond skins contain tannins and phytates, compounds that bind minerals and slightly reduce how much iron and zinc you absorb, and soaking reduces them somewhat. Soaked almonds are also softer and easier to chew and digest, which matters more than it sounds for older adults, small children and anyone with a sensitive stomach.
There is a real argument against it too. Almond skins hold most of the nut's polyphenols and a good share of its fiber, so peeling throws away something worth having.
The sensible conclusion is that neither choice is wrong. If soaked almonds are the version you will actually eat every morning, soak them. If you are happy eating them dry with the skins on, you are getting slightly more fiber and polyphenols and losing nothing important. The habit matters more than the preparation.
Almonds and Almond Milk Are Not Comparable
Commercial almond milk is mostly water. A carton typically contains a small percentage of almonds, which is why it carries a fraction of the protein, fat and vitamin E of the nuts it is named after, and why most brands fortify it with calcium and vitamin D to make it nutritionally useful at all.
It is a perfectly good low-calorie drink and a reasonable dairy alternative. It is not a way of eating almonds.
How Many a Day
An ounce, or around 23 almonds, is the serving used in most research and a sensible daily target. That covers nearly half your vitamin E, a good share of magnesium and riboflavin, and 3.5 grams of fiber.
Eating them at a set point in the day—mid-morning, or with fruit in the afternoon—works better than grazing from an open bag, which is how a handful quietly becomes four.
Who Should Be Careful
- Tree nut allergy. Almonds are a tree nut and reactions can be severe.
- Kidney stones. Almonds are among the higher-oxalate foods, so anyone prone to calcium oxalate stones should moderate rather than eliminate them, and pair them with a calcium source at the same meal.
- Small children. Whole nuts are a choking hazard under about four years old. Almond butter or finely ground almonds are the safer form.
- Bitter almonds are a different variety and contain amygdalin, which the body converts to cyanide. They are not sold as food in the United States, and the sweet almonds in shops are entirely safe.
- Digestive comfort. Eating a large quantity in one sitting can cause bloating, mostly because of the fiber, so build the amount up gradually.
Where Almonds Fit in a Wellness Routine
Almonds do the unglamorous work well. They are portable, they need no preparation, they hold hunger off for a couple of hours, and the evidence that they improve cholesterol is about as solid as food evidence gets. Very little else in a diet offers that combination of convenience and proven effect.
They work best as a replacement rather than an extra—an ounce instead of the biscuit at four o'clock, not alongside it.
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FAQs
Q: How many almonds should I eat a day?
A: About 23, which is a one-ounce serving and the amount used in most research. That gives you nearly half a day's vitamin E, 3.5 grams of fiber and a useful amount of magnesium.
Q: Is it better to eat almonds soaked or raw?
A: Either way is fine. Soaking softens them, makes them easier to digest and slightly reduces the phytates that limit mineral absorption. Keeping the skins on preserves more fiber and polyphenols. Choose the version you will eat consistently.
Q: Do almonds really have fewer calories than the label says?
A: That is a real finding. A controlled study measured the energy the body absorbs from almonds at about 129 calories per ounce, against the 168 to 170 the standard calculation predicts. Much of the fat stays locked inside intact cell walls and passes through undigested.
Q: Do almonds lower cholesterol?
A: The evidence that they reduce total and low-density lipoprotein cholesterol is well established across many randomized trials. The effect comes from monounsaturated fat replacing saturated fat, plus fiber and plant sterols.
Q: Will almonds make me gain weight?
A: They are unlikely to. They are filling, a third of their calories are not absorbed, and pooled research on nuts finds no adverse effect on body weight. Portion size still matters if you eat straight from a large bag.
Q: Should I remove the almond skins?
A: Only if you prefer them that way or find them easier to digest. The skins contain most of the polyphenols and a good share of the fiber, so peeling costs you something, though not a great deal.
Q: Are almonds good for diabetes?
A: They suit blood sugar management well. They contain almost no rapidly digested carbohydrate, and eating them alongside other foods slows the rise in blood glucose. A meta-analysis in people with type 2 diabetes found improvements in several cardiometabolic measures.
Q: Is almond milk as good as eating almonds?
A: No. Commercial almond milk is mostly water with a small proportion of almonds, so it carries a fraction of the protein, fat and vitamin E. It is a fine drink, but not a substitute for the nuts.
Q: Can almonds cause kidney stones?
A: They are relatively high in oxalates, so anyone who has had calcium oxalate stones should moderate their intake rather than avoid them entirely. Eating them with a calcium-containing food reduces how much oxalate is absorbed.
Q: Are roasted almonds as healthy as raw?
A: Nutritionally there is very little difference. Roasting slightly reduces some heat-sensitive compounds and improves flavor. What matters more is whether salt or oil has been added.
Sources
- United States Department of Agriculture, FoodData Central, SR Legacy: Nuts, almonds
- Musa-Veloso K, Gauntlett C, Geronimo K, Vicente I, Ho SPL. Blood lipid levels in response to almond consumption: a systematic review and meta-analysis of randomized controlled trials. Nutrients, 2025. PMID 40944180
- Novotny JA, Gebauer SK, Baer DJ. Discrepancy between the Atwater factor predicted and empirically measured energy values of almonds in human diets. American Journal of Clinical Nutrition, 2012. PMID 22760558
- Gebauer SK, Novotny JA, Bornhorst GM, Baer DJ. Food processing and structure impact the metabolizable energy of almonds. Food and Function, 2016. PMID 27713968
- Moosavian SP, Rahimlou M, Rezaei Kelishadi M, et al. Effects of almond on cardiometabolic outcomes in patients with type 2 diabetes: a systematic review and meta-analysis of randomized controlled trials. Phytotherapy Research, 2022. PMID 35443097
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