Jane Seymour, 74, still wears a size 4—this is the diet she swears by

Jane Seymour has talked openly about staying the same size since her teens, and the secret isn’t a harsh plan or a list of banned foods. The longtime actress, known for roles in “Dr. Quinn, Medicine Woman” and “Live and Let Die”, credits a simple, steady way of eating that keeps her energized without feeling restricted.

Let’s look at how she eats, the habits she follows at home, and the choices that help her stay strong at 74. We’ll also break down how you can use her approach in your own routine without feeling like you’re chasing another diet trend.

Jane Seymour’s diet

Seymour’s eating style centers on the Mediterranean pattern, something she’s embraced because it feels natural rather than forced. Her meals lean on tomatoes, olives, nuts, fish, leafy greens, and the simple produce she grows in her backyard. She enjoys food with flavor and salt, and she doesn’t hide it.

Her day starts lightly. Breakfast is coffee and hard-boiled eggs, which give her enough protein to feel awake without weighing her down. The full meal comes at lunch, when she has time to sit and enjoy it. That shift alone keeps her from overeating at night and lets her rely on steady energy instead of snacks that spike and crash.

What stands out most about her routine is her mindset. She avoids anything that feels like a diet rulebook. “If you think you are on a diet, you will lose track, you will cheat”, she explained to The Daily Mail. Instead, she builds her day around foods she truly likes. Fish, vegetables, olives, pistachios, and hummus are regulars. She reaches for savory snacks instead of sweets and keeps her ingredients simple and fresh.

Her approach is shaped by years of paying attention to what her body tolerates and what leaves her sluggish. It helps that she cooks often, uses produce from her garden, and treats eating as a daily choice rather than a challenge.

How to use her habits in your own life

Seymour’s routine works because it’s flexible. She doesn’t obsess, she doesn’t track, and she doesn’t punish herself. That makes it easy to adapt to your own schedule and tastes. Here are straightforward ways to apply parts of her approach without copying it exactly.

  • Lean on Mediterranean staples: Add more fish, olive oil, beans, nuts, and vegetables.
  • Shift your biggest meal earlier: Eating a larger lunch instead of a large dinner can steady your appetite and help you avoid late-night snacking.
  • Choose snacks that keep you full: Pistachios, carrots, cucumbers, olives, and hummus provide texture and salt without the sugar crash.
  • Build meals around ingredients you enjoy: Seymour’s point that “if you find healthy foods you really love, that make you feel good, you never feel shorted” applies to anyone.
  • Keep the structure simple: Light breakfast, balanced lunch, lighter dinner. Nothing complicated.

You don’t need Seymour’s exact meals to benefit from her approach. Choose foods you enjoy, keep portions steady, and let your habits work quietly in the background.