A Tale of Two Processed Meats
At first glance, it seems obvious that a canned, gelatinous pork product would be less healthy than sliced deli turkey. However, a deeper look reveals that the health implications of processed meats are far more complex and surprisingly similar across the board. Both Spam and many deli meats undergo significant processing, which introduces high levels of sodium, preservatives like nitrites, and sometimes other concerning compounds. The 'healthiness' is not a fixed quality but rather a spectrum based on specific products and how they are consumed.
The Ingredients and Processing
Spam is a straightforward product made from a mixture of pork shoulder and ham, along with salt, water, potato starch (as a binder), sugar, and sodium nitrite. The ingredients are cooked and pressed into a block, with the addition of sodium nitrite to preserve the meat and maintain its characteristic pink color.
Deli meat is a far more diverse category. It can be a whole cut of turkey or chicken breast, or it can be a 'formed' product, which is made by grinding up various cuts of meat and binding them together with transglutaminase, an enzyme often called 'meat glue'. Deli meats are also typically cured with preservatives. For example, some ham is smoked, which can introduce polycyclic aromatic hydrocarbons (PAHs), a different class of potential carcinogens, while many other deli meats use sodium nitrite. A key difference to look for is 'nitrite-free' labeling on some deli meats, which removes one specific health concern.
Nutritional Showdown: Spam vs. Deli Meat
Comparing the nutritional value is where the details get interesting. While Spam is consistently high in fat, calories, and sodium, deli meats vary widely. A lean oven-roasted turkey breast, for example, is far lower in fat and calories than classic Spam, but some salami or formed ham products may have more comparable fat and sodium levels.
| Nutritional Aspect | Classic Spam (per 56g serving) | Lean Deli Turkey (per 56g serving) | High-Fat Deli Salami (per 56g serving) |
|---|---|---|---|
| Calories | ~174 kcal | ~60 kcal | ~240 kcal |
| Total Fat | ~15 g | ~1.5 g | ~20 g |
| Protein | ~7 g | ~9 g | ~12 g |
| Sodium | ~790 mg (~34% DV) | ~470 mg | ~400 mg |
Note: Nutritional information can vary significantly by brand and product type. The table provides representative examples.
The Common Ground of Processed Meat Risks
The overarching issue for both Spam and many types of deli meat is their status as processed meat. The WHO's classification of processed meats as Group 1 carcinogens is a serious concern, irrespective of whether the meat comes in a can or sliced at a counter. The primary culprits are thought to be the chemicals formed from preservatives like nitrites and nitrates, particularly nitrosamines, and high-heat cooking methods that can create other carcinogenic compounds.
While some may argue Spam is 'worse' because of its typically higher fat and calorie content, this ignores the equally significant health risks associated with the preservatives found in many deli meats. For those with high blood pressure, the high sodium content in most deli meats can be a major issue, on par with or even exceeding that of Spam.
Making Better Choices
If you choose to consume processed meat, there are ways to mitigate some of the health risks. The key is to reduce overall intake and choose products more wisely. This can include opting for lower-sodium varieties, picking leaner cuts like turkey breast over higher-fat options, or seeking out products labeled 'nitrite-free'. Alternatively, making your own meat at home is a way to have complete control over the ingredients, preservatives, and sodium levels. For example, preparing your own roast beef or turkey breast can provide a healthier protein source without the added chemicals. The Harvard T.H. Chan School of Public Health suggests that eating a small amount of processed meat occasionally is unlikely to cause significant harm.
Conclusion
There is no simple answer to the question, is spam worse than deli meat? Both are processed meats that carry potential health risks associated with high sodium, saturated fat, and preservatives like nitrites. Spam is consistently high in fat and calories, whereas deli meat quality varies dramatically. While some deli meats are healthier than Spam, many are just as problematic due to high sodium and similar preservatives. The overall takeaway is that all processed meats, regardless of form, should be consumed in moderation as part of a balanced diet rich in whole, unprocessed foods.
Here is a useful guide on understanding processed meats and their health implications.