Cooking, Health, Lifestyle

7 Spices for Flavor and Health: Benefits and Cooking Tips

The fragrance of garlic sizzling in a pan, the warmth of ginger in a bowl of cháo, and the aroma of cinnamon rising from a simmering pot of phở—these familiar scents connect many Vietnamese Americans to family, tradition, and the comfort of home. Seasonings give our favorite dishes their character, and researchers are exploring how some of their natural compounds may also support health.

Black pepper, garlic, cinnamon, ginger, turmeric, cayenne, and saffron each bring something different to the table, from gentle warmth and vibrant color to bold flavor. Some have promising research behind them, while others offer their clearest benefit by making nutritious meals more enjoyable.

One distinction matters throughout: many health studies use concentrated supplements. A pinch added to dinner may not produce the same effects. Here is a closer look at what these seven seasonings contribute to our cooking and what science tells us about their potential benefits.

  1. Black Pepper — Tiêu đen

What it adds to food: Black pepper provides a sharp, woody warmth that enhances savory dishes. Freshly cracked pepper brings a fragrant finish to cháo, soups, stir-fried vegetables, and braised dishes such as cá kho tiêu.

What research suggests: Black pepper’s best-known active compound is piperine. Researchers have found that isolated piperine can increase the absorption of curcumin, a compound in turmeric. However, improved absorption does not establish that combining ordinary amounts of pepper and turmeric prevents or treats disease. Human studies of black pepper itself remain limited, with mixed findings for appetite and metabolism.

Try it at home: Grind pepper shortly before serving to preserve its aroma. Use its bold flavor to help make vegetables, fish, and tofu more appealing as you gradually reduce salty seasonings.

  1. Garlic — Tỏi

What it adds to food: Garlic provides a savory foundation for countless Vietnamese dishes. Raw garlic tastes sharp and pungent, making it useful in nước chấm. Gently sautéed garlic becomes mellow and fragrant, while roasting brings out sweetness. It pairs beautifully with leafy vegetables, mushrooms, seafood, chicken, and tofu.

What research suggests: Garlic contains sulfur compounds, including allicin, which forms when garlic is chopped or crushed. According to the National Center for Complementary and Integrative Health, garlic supplements may produce small reductions in total and LDL cholesterol in people with high cholesterol. Limited evidence also suggests modest blood-pressure reductions in people with hypertension.

These findings do not mean a few cooked cloves will provide the same effect. Evidence that garlic prevents colds or substantially improves immune function is much weaker.

Try it at home: Sauté minced garlic over moderate heat and avoid burning it, which creates bitterness. When using a dried product, choose plain garlic powder rather than garlic salt to add flavor without extra sodium.

  1. Cinnamon — Quế

What it adds to food: Cinnamon brings warmth, sweetness of aroma, and a slightly woody flavor. A cinnamon stick helps give phở broth its distinctive fragrance and adds depth to bò kho. Ground cinnamon also complements oatmeal, baked apples, yogurt, and coffee.

What research suggests: Researchers have studied cinnamon extensively for blood-sugar control. Some studies report improvements, but findings vary with the cinnamon species, preparation, and dose. NCCIH concludes that it remains unclear whether cinnamon supplements help diabetes or weight loss. Cinnamon should therefore be enjoyed as a seasoning rather than relied upon to manage blood sugar.

Try it at home: Add cinnamon to oatmeal or fruit and experiment with using less added sugar. Its sweet aroma can make these foods especially satisfying.

If you use cinnamon generously and frequently, Ceylon cinnamon generally contains much less coumarin than cassia varieties. Coumarin is a naturally occurring substance that can affect the liver at sufficiently high exposure. Ordinary seasoning amounts are generally safe for most people.

  1. Ginger — Gừng

What it adds to food: Fresh ginger delivers bright, peppery warmth with a citruslike fragrance. It balances rich meats and adds freshness to seafood, chicken soup, cháo gà, and gà kho gừng. Charred ginger also contributes to the aroma of phở broth.

What research suggests: Ginger has useful clinical evidence for certain types of nausea, particularly pregnancy-related nausea and vomiting. Ginger supplements may also reduce menstrual cramps.

Other claims require more qualification. Evidence for knee osteoarthritis is less certain, and most studies of motion sickness have not shown a benefit. Much of the research involves supplements rather than ginger used in meals or tea.

Try it at home: Add sliced ginger early for a gentle, infused flavor or grated ginger near the end for more intensity. Unsweetened ginger tea offers a warming drink without added sugar, although strong preparations can cause heartburn in some people.

  1. Turmeric — Nghệ

What it adds to food: Turmeric contributes an earthy, slightly bitter flavor and a vivid golden color. It has a familiar place in bánh xèo, mì Quảng, and chả cá. It also works well with roasted vegetables, lentils, chicken, and rice.

What research suggests: Turmeric contains curcumin, which researchers study for its effects on inflammation and other biological processes. Clinical studies of turmeric or curcumin products show promising results for reducing knee osteoarthritis pain and stiffness.

However, products differ considerably, and stronger evidence is needed before firm conclusions can be drawn. A serving of turmeric-seasoned food has not been shown to provide the same effects as a concentrated preparation.

Try it at home: Briefly stir turmeric into a little oil before adding other ingredients to distribute its flavor and color. Start with a small amount because too much can make food bitter.

Concentrated curcumin supplements require separate consideration. Some products designed to increase absorption have been linked to liver injury; this concern is distinct from ordinary culinary use.

  1. Cayenne — Ớt Cayenne

What it adds to food: Cayenne provides direct, lingering heat. A small pinch can enliven soups, marinades, grilled shrimp, tofu, or dipping sauces. It offers a convenient option when fresh chilies are unavailable, although its flavor differs from fresh Vietnamese peppers.

What research suggests: Cayenne’s heat comes from capsaicin. Small controlled studies suggest that red pepper can temporarily increase energy expenditure and reduce appetite in some people, especially those who do not regularly eat spicy foods.

These effects are modest. They do not establish cayenne as an effective weight-loss treatment, and a spicier meal does not necessarily deliver greater health benefits.

Try it at home: Begin with a tiny pinch and taste before adding more. Choose a level of heat that you enjoy and tolerate comfortably.

  1. Saffron — Nhụy Hoa Nghệ Tây

What it adds to food: Saffron consists of the dried stigmas of the Crocus sativus flower. Despite its Vietnamese name, it comes from a different plant than turmeric.

Saffron provides a delicate floral, honeylike, slightly earthy aroma and a golden color. Although less common in traditional Vietnamese cooking, it complements seafood broth, chicken, rice, and lightly sweetened desserts.

What research suggests: Researchers have investigated saffron preparations for mood and depressive symptoms. Small randomized trials have reported improvements compared with placebo, making this a promising area of research.

However, these studies generally use measured preparations taken daily for several weeks. They do not establish that a few threads in a shared meal improve depression, and saffron should not replace prescribed treatment.

Try it at home: Steep a few threads in warm water or broth before adding them to food. This helps distribute the aroma and color. A little goes a long way.

Bringing More Flavor to Everyday Meals

One practical benefit connects these seasonings: they can help make nutritious meals enjoyable with less reliance on salt, salty sauces, or added sugar.

A randomized trial found that a broader nutrition program emphasizing herbs and spices helped participants maintain lower sodium intake. In a Vietnamese American kitchen, that might mean gradually using less fish sauce or seasoning powder while building flavor with garlic, ginger, pepper, and other aromatics. The benefit comes from the overall meal and eating pattern.

Enjoy these seasonings in amounts that suit your taste. If you are considering concentrated supplements, check with your pharmacist or clinician, especially if you take blood thinners or several medications. Garlic supplements, for example, can increase bleeding risk—a concern distinct from everyday cooking amounts.

-Thanh Thuỷ-

Sources and further reading