Hulled hemp seeds are hemp seeds with their hard outer shell removed, leaving only the soft, cream-colored inner kernel. You’ll also see them sold as “hemp hearts.” They have a mild, slightly nutty flavor and a tender texture, making them one of the most versatile plant-based protein sources available. A three-tablespoon serving packs roughly 10 grams of protein and 10 grams of healthy fats.
Hulled vs. Whole Hemp Seeds
Whole hemp seeds have a thin, crunchy shell that’s perfectly edible but adds a slightly gritty texture. The hulling process cracks and removes that outer layer, which is mostly fiber. What remains is the nutrient-dense interior, the part that contains nearly all the protein and fat. Hulled seeds are softer, easier to chew, and blend more smoothly into foods.
The trade-off is fiber. Whole hemp seeds deliver around 1 to 2 grams of fiber per serving from that shell, while hulled seeds contain almost none. If you’re adding hemp seeds to smoothies, yogurt, or salads for protein and healthy fats, hulled seeds are the better choice. If you want extra fiber, whole seeds or a mix of both makes more sense.
Nutritional Profile
Hemp hearts are unusually nutrient-dense for their size. In a standard 30-gram serving (about three tablespoons), you get approximately 166 calories, 10 grams of complete protein, and 14 grams of fat. “Complete protein” means they contain all nine essential amino acids your body can’t make on its own, which is uncommon for a plant food.
The fat content is predominantly unsaturated. Hemp seeds are one of the few foods with an omega-6 to omega-3 ratio close to 3:1, which is considered favorable for reducing inflammation. They’re also rich in gamma-linolenic acid, an omega-6 fat that the body uses to produce compounds involved in managing inflammation and immune responses.
On the mineral side, hemp hearts are a strong source of magnesium, phosphorus, zinc, and iron. A single serving provides roughly 50% of your daily magnesium and about 25% of your daily zinc. They also contain meaningful amounts of thiamine (vitamin B1) and vitamin E.
How They Taste and How to Use Them
Hemp hearts taste mild and slightly nutty, closer to sunflower seeds or pine nuts than anything resembling marijuana (they come from the same plant species but contain negligible THC, typically less than 0.3%). The soft texture means they don’t require soaking, toasting, or grinding before eating, though any of those techniques can change the flavor and consistency in useful ways.
The most common uses are simple: sprinkle them over oatmeal, yogurt, or salads for a protein boost. They blend easily into smoothies without adding grittiness. You can stir them into pesto, mix them into energy balls, or fold them into baked goods like muffins and granola bars. Toasting them in a dry pan for a few minutes deepens the nutty flavor and adds a light crunch.
Hemp hearts also work as the base for dairy-free milk. Blending a quarter cup with a cup of water and straining produces a creamy, neutral-tasting milk. Because the seeds are already hulled, the result is smoother than most homemade nut milks without much effort.
How They Compare to Other Seeds
- Chia seeds have far more fiber (about 10 grams per serving) and form a gel in liquid, but they contain less protein and have a much different texture. Hemp hearts work better when you want something you can eat as-is without soaking.
- Flaxseeds need to be ground for your body to absorb their nutrients. Hemp hearts are fully digestible whole, making them more convenient. Flax has more fiber but less protein per serving.
- Pumpkin seeds are the closest comparison in terms of protein content and mineral density. The main differences are that hemp hearts are softer, higher in omega-3 fats, and don’t require shelling if you buy them hulled.
Storage and Shelf Life
Because hulled hemp seeds are high in polyunsaturated fat, they’re more perishable than whole seeds or lower-fat grains. An unopened bag stored in a cool, dark place keeps for several months. Once opened, refrigeration extends freshness to about six months, and freezing can stretch that to a year. If they develop a sharp, bitter, or paint-like smell, the oils have gone rancid and the seeds should be discarded.
Most brands sell hemp hearts in resealable bags, which is helpful since you’re typically using just a few tablespoons at a time. Keeping the bag sealed tightly and minimizing exposure to heat and light are the two things that matter most for preserving quality.
THC and Safety
Hemp seeds come from Cannabis sativa, but the varieties grown for food are bred to produce extremely low levels of THC, the compound responsible for marijuana’s psychoactive effects. Hulled hemp seeds contain virtually no THC or CBD because those compounds concentrate in the plant’s flowers and leaves, not the seed interior. Eating hemp hearts will not produce any intoxicating effect and will not cause a positive drug test under normal consumption levels.
Hemp foods are legal in the United States, Canada, the European Union, and most other countries. The 2018 U.S. Farm Bill formally legalized industrial hemp and its derivatives, including hemp seeds sold as food. You’ll find them in most grocery stores alongside other seeds and nuts.