Jack Link’s Original Beef Jerky is a reasonably healthy snack in moderation, delivering 80 calories and 10 grams of protein per one-ounce serving with just 1 gram of fat. The main concern isn’t what’s in it nutritionally but rather the sodium, which runs high at 520 mg per serving. Whether it fits your diet depends on which variety you choose and how much you eat.
Protein and Calorie Breakdown
The strongest case for Jack Link’s jerky as a healthy snack is its protein density. About 51% of the calories in the Original variety come from protein, with another 31% from carbs and 18% from fat. That ratio is hard to beat for a shelf-stable, grab-and-go snack. A standard package delivers around 13 grams of protein for 100 calories, putting it ahead of most protein bars, trail mixes, and cheese snacks on a calorie-for-calorie basis.
The fat content is minimal. The Original flavor has 1 gram of total fat and 0 grams of saturated fat per ounce. This makes sense because jerky is made from lean cuts of beef that lose most of their moisture during drying, concentrating the protein while keeping fat low.
The Sodium Problem
Sodium is the biggest nutritional drawback. A single one-ounce serving of Original Beef Jerky contains 520 mg of sodium, which is 23% of the recommended daily value. The Teriyaki flavor is slightly higher at 550 mg (24% DV). If you eat a full bag in one sitting, which most people do, you’re looking at well over 1,000 mg of sodium from a single snack.
For context, the general recommendation is to stay under 2,300 mg of sodium per day. One serving of Jack Link’s jerky eats up nearly a quarter of that budget. If you’re watching your blood pressure or already eating a sodium-heavy diet, jerky can push you over the line quickly. This isn’t unique to Jack Link’s; virtually all commercial jerky is high in sodium because salt is essential to the curing and preservation process.
Sugar Varies Widely by Flavor
The Original flavor keeps sugar relatively low, but the Teriyaki version is a different story. Jack Link’s Teriyaki Beef Jerky is 21% sugar by weight, containing about 2 teaspoons of added and natural sugar per serving. That sugar comes primarily from brown sugar listed as the second ingredient, right after beef. If you’re eating jerky for its high-protein, low-carb profile, the Teriyaki flavor undermines that goal.
Jack Link’s also makes a Zero Sugar line that contains no sugar and no artificial sweeteners, while still delivering 13 grams of protein and 80 calories per serving. If you want the protein benefits without the sugar, that’s the better pick. Sticking with Original or Zero Sugar keeps the carbohydrate content reasonable; choosing flavored varieties like Teriyaki or Sweet & Hot adds sugar you may not expect from a meat snack.
Preservatives and Processed Meat Concerns
Jack Link’s uses different ingredient formulations across its product line. The beef jerky (whole muscle meat) uses cultured celery extract as a preservative, which is a natural source of nitrates. The beef sticks, a separate product, contain sodium nitrite directly, along with BHA and BHT (synthetic antioxidants used to prevent fat from going rancid) and artificial colors like Red 3. These are meaningfully different products despite sharing a brand name.
The World Health Organization classifies beef jerky as a processed meat, in the same category as hot dogs, ham, and sausages. Processed meat is defined as any meat transformed through salting, curing, fermentation, smoking, or similar processes. The WHO has linked regular consumption of processed meat to increased colorectal cancer risk. That classification applies to all commercial jerky, not just Jack Link’s.
This doesn’t mean eating jerky occasionally is dangerous. The risk is associated with regular, long-term consumption. Treating jerky as an occasional high-protein snack rather than a daily staple is a reasonable approach based on the current evidence.
Jerky vs. Beef Sticks
Jack Link’s sells both jerky and beef sticks, and they’re not nutritionally equivalent. The Original Beef Jerky is whole muscle meat with 80 calories, 1 gram of fat, and a clean ingredient list. The beef sticks are a processed, ground meat product with a longer additive list that includes sodium nitrite, corn syrup, dextrose, sugar, BHA, BHT, and artificial colors. If you’re choosing between the two for health reasons, the jerky is the better option by a wide margin.
How It Fits Different Diets
For low-carb and keto diets, the Original and Zero Sugar varieties work well. They’re high in protein, very low in fat, and keep carbohydrates minimal. The Teriyaki flavor, with its brown sugar base, is a poor fit for strict carb limits.
For weight loss, jerky’s protein density is genuinely useful. Protein is the most satiating macronutrient, and getting 13 grams for 100 calories can help curb hunger between meals without a big calorie hit. The portion size is the key variable here. A single serving is only one ounce, which doesn’t look like much in your hand. Tracking how much you actually eat matters, both for calories and for sodium.
For heart health or sodium-restricted diets, jerky is a tough sell. Even one serving delivers a significant chunk of your daily sodium allowance, and there’s no low-sodium Jack Link’s option currently available. If your doctor has you watching sodium, this isn’t an ideal regular snack regardless of the protein benefits.
The Bottom Line on Jack Link’s
Jack Link’s Original Beef Jerky is a legitimately good protein snack with minimal fat and reasonable calories. Its two weaknesses are sodium and its status as a processed meat. Choosing the Original or Zero Sugar varieties over flavored options like Teriyaki keeps sugar low. Treating it as an occasional snack rather than a daily habit addresses both the sodium load and the processed meat concern. If you’re comparing it to chips, cookies, or most vending machine options, jerky wins easily on nutritional merit.