Actress Leah Remini may look slim now, but that was not always the case. The “King of Queens” star put on about 80 pounds during her pregnancy. Though her stint on “Dancing with the Stars” undoubtedly helped her tone up, Remini credits "The 1st Personal Diet" with her weight loss success.

The program was devised by Dr. R. Cohen. After a blood test measures your levels of human growth hormone, insulin, and serotonin, you follow a personalized eating plan and are monitored for several weeks. The diet does not require any supplements. While many are raving about it, others are not as enthusiastic.

“There is no scientific evidence at this point to indicate that an individual’s blood test can reveal a magic formula for a personalized weight loss plan specific to that individual,” says Sharon Palmer, RDN, author of “Plant-Powered for Life.” Instead, she endorses a healthy eating plan and exercise.

“Effective weight loss is achieved by changing one’s lifestyle to a sustainable way of eating. One that is based on eating choices that you can maintain over the long-term for life,” she says.

Palmer adds that a healthy eating plan may be slower when it comes to weight loss results, but is more effective in the long term. The diet should support optimal health as well, which means it should be focused on foods that lower inflammation and lower the risk for heart disease and type 2 diabetes.

Whether you choose a plan like Remini did or opt for another strategy, you should pay attention to your weight — especially if you gained more than the recommended amount during your pregnancy. A 2011 study by the University of Bristol found that women who gained more than recommended when they were pregnant had a higher risk of becoming obese and developing related health problems later in life.

Want to lose baby weight the healthy way? Here are a few tips to lose weight after pregnancy:

1. Breastfeed

Palmer says that new mothers should take advantage of nature’s way to kick start post-pregnancy weight loss. “It increases your energy needs, which will help you lose weight,” she says. Women should combine it with a sensible eating plan that includes fruits, vegetables, lean proteins, and whole grains, as well as heart-healthy fats.

2. Pack on the Protein

“Eating lots of lean proteins during your pregnancy is extremely important to keep you healthy and to build a strong, healthy baby,” says Simone Gloger, a nutritionist for the Dukan Diet. The same should go for after the baby is born, especially since protein, like all essential nutrients, is vital for healthy breast milk.

“Consume organic vegetables and lean proteins when possible — grass-fed/pasture raised beef is best,” she adds.

3. Get Moving

Gloger knows that being a new mom is exhausting and overwhelming, but that should not mean skimping on activity. She recommends taking regular walks with the stroller or trying a Mommy and Me class.

4. Curb Cravings

Pregnant women can be used to indulging in cravings during pregnancy, but constant snacking will not help new moms shed pounds. Gloger recommends training yourself to make different post-pregnancy snack choices.

“Have easily accessible and simple snacks stocked up in the fridge, like veggies and hummus, Greek yogurt and fruit, or mixed raw nuts at all times,” she says.

5. Reward Yourself

Sticking to a weight loss plan is tough for anyone, especially women who have just had a baby. Make sure to take some time to reward yourself with treats that don’t involve food, such as getting a massage.

“You'll also feel less stressed, which is good for your mood, your waistline, and your baby,” Gloger says.