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Hemp hearts are shelled hemp seeds: 10 grams of protein and about 12 grams of omega-3 and omega-6 fats per 30 gram serving, containing all nine essential amino acids, from roughly $1.08 a serving. They need no cooking and can be stirred into anything. For someone whose appetite has collapsed on a GLP-1, that combination is unusually well matched to the actual problem.
Why This Suits a Suppressed Appetite
The GLP-1 protein problem is not that people do not know they need protein — it is that eating enough of it requires eating, and appetite suppression makes that hard. Hemp hearts add protein to food you are already managing, without adding a meal.
Roughly a quarter to a third of the weight lost on a GLP-1 can be lean mass unless protein protects it. But the standard advice — eat more chicken, fish, eggs — asks you to consume volume you physically cannot. Two tablespoons stirred into yoghurt, porridge, soup or a smoothie adds 10 grams with almost no volume and no preparation.
They are also soft, mild and easy to digest, which matters when nausea has made most foods unappealing. Our protein and satiety guide covers targets, and what to eat on a GLP-1 covers the practical side.
It Is a Complete Protein — Unlike Collagen
Hemp hearts contain all nine essential amino acids. That distinction matters because several products marketed to this audience do not.
We flagged the same issue reviewing Everyday Dose, which includes collagen: collagen lacks tryptophan entirely and is very low in leucine, the amino acid that triggers muscle protein synthesis. It is protein by gram count and close to useless for holding muscle. The same caution applies to bone broth protein products.
Hemp is not the most leucine-dense protein available — whey and dairy are better on that specific measure — but it is a genuine complete protein rather than a technicality, and it is a plant source that does not require combining foods to get there.
Product Facts
| Active ingredient | Amount per serving |
|---|---|
| Plant protein | 10g per 30g serving |
| Omega-3 and omega-6 fats | About 12g per 30g serving |
| Essential amino acids | All nine present |
| Manufacturer | Manitoba Harvest |
|---|---|
| Serving size | 30g (about 3 tablespoons) |
| Servings per container | Varies by bag size — 8oz, 12oz, 16oz and 32oz sold |
| Other ingredients | Shelled hemp seeds only; organic and non-GMO options available |
| Intended use | A food ingredient — sprinkled on or stirred into other foods |
| Directions | Add to yoghurt, porridge, salads, soups or smoothies; no cooking required |
| Warnings | A calorie-dense food at roughly 12g of fat per 30g serving — useful when intake is low, worth accounting for otherwise. Avoid if you have a hemp or seed allergy. |
| Allergens | Seed product; check the pack for shared-facility statements |
| Pricing | From about $1.08 per serving on a 32oz bag; 8oz from about $8.89 and 12oz organic from about $7.78 |
| Subscription options | Not applicable — sold as grocery |
| Refund policy | Standard retailer terms |
| Shipping | Widely available in supermarkets and online |
Being Honest About the Numbers
Ten grams per serving is useful, not transformative. If your target is 100 to 130 grams a day — a common range during active weight loss — hemp hearts are a contributor rather than a solution. Three servings would be 30 grams and around 600 calories, mostly from fat.
That calorie density cuts both ways. When you are struggling to eat at all, getting nutrition into a small volume is exactly what you want. If your appetite has recovered and you are managing your intake normally, scattering three servings a day onto meals adds up quickly. Use them deliberately rather than habitually.
For a larger protein contribution per calorie, whey or a dairy source does more. Hemp hearts win on convenience, tolerability and not requiring you to drink anything.
Price
About $1.08 a serving on the largest bag is inexpensive for what it delivers — cheaper per gram of protein than most of the functional products we have reviewed, and it is food rather than a supplement. Smaller bags cost more per serving, so buy the 32oz if you will use it.
Pros and Cons
Pros
- Complete protein with all nine essential amino acids
- 10g protein per 30g serving with almost no volume
- No cooking, no preparation, goes into anything
- Mild and easy to digest when nausea has ruined your appetite
- About $1.08 a serving on the large bag
- Single-ingredient food, not a formulated supplement
- Organic and non-GMO options available
Cons
- 10g a serving is a contributor, not a protein solution
- Calorie dense at about 12g fat per serving
- Lower in leucine than whey or dairy protein
- Smaller bags cost considerably more per serving
- Not suitable with a seed allergy
- Easy to over-scatter once appetite returns
Who Should Use It, and Who Should Not
Hemp hearts suit you if you are struggling to hit a protein target because you cannot face eating enough. Adding 10 grams to something you were already going to eat is a much easier ask than another meal. Buy the 32oz bag and keep it next to the yoghurt.
Look elsewhere if you need a large protein contribution per calorie, where whey or dairy does more, or if you have a seed allergy. And if you do not know your protein target, a dietitian through Fay Nutrition costs $0 to $12 a session through insurance and is worth more than any single ingredient.
Limitations of This Review
This review is based on published nutrition information and independent coverage checked on 7 August 2026. Prices vary by retailer, bag size and whether you buy organic, and we quote reported figures. We have not tested the product. Nutritional values are per the manufacturer’s published serving; check the pack you buy. Protein targets referenced are general guidance, not individual advice.
Frequently Asked Questions
Are hemp hearts a complete protein?
Yes — they contain all nine essential amino acids, which puts them ahead of collagen and gelatin-based products that lack tryptophan and are very low in leucine. That matters if you are trying to protect muscle while losing weight.
How much protein do they contain?
About 10 grams of plant protein per 30 gram serving, alongside roughly 12 grams of omega-3 and omega-6 fats. Two servings a day add about 20 grams of protein without requiring you to eat a meal.
How much do they cost?
From roughly $1.08 a serving on a large 32oz bag, with smaller bags from about $7.78 to $8.89. That is inexpensive for a protein source with this profile.
Will they make me high?
No. Hemp hearts are the shelled seeds of industrial hemp and contain negligible THC. They are sold as an ordinary food.
Verdict
4.0 / 5
A complete protein you can add to anything without eating more, at about a dollar a serving — which is a better answer to the GLP-1 protein problem than most things sold for it.
Most products we review here are formulated, branded and expensive. This is a bag of seeds. It happens to solve the specific difficulty this audience has — needing more protein while being able to eat less — better than the collagen coffees and greens gummies that cost several times as much.
It is not a complete answer. Ten grams a serving contributes rather than solves, and the fat content deserves attention once your appetite returns. But as a cheap, tolerable, complete-protein addition to food you are already eating, it earns its place.
Supplement Disclaimer & Review Date
These statements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Dietary supplements are not FDA-approved medications, are not reviewed by the FDA for safety or effectiveness before they go on sale, and are not a substitute for prescription treatment.
Nothing on this page is medical advice, and nothing here should be read as a promise of weight loss or of any particular result. Supplements can interact with prescription medications and are not appropriate for everyone. Talk to a doctor or pharmacist who knows your medical history before starting any supplement — particularly if you are pregnant or breastfeeding, take prescription medication, manage a chronic condition, or are already taking a GLP-1 medication.
Details about Manitoba Harvest hemp hearts come from the manufacturer's own published materials as of the date below. Ingredients, amounts, pricing, and policies change frequently — check the current label and product page before purchasing.
Last reviewed: August 7, 2026
Buy the Big Bag, Keep It Next to the Yoghurt
The 32oz works out around $1.08 a serving. Two tablespoons into whatever you are already eating adds 10g of complete protein with no extra volume.