Baking Soda for Weight Loss: Benefits and Risks

The use of baking soda, also known as sodium bicarbonate, has gained attention as a potential aid for weight loss. While baking soda has various established uses, its effectiveness and safety for weight loss are questionable. This article aims to explore the potential benefits and risks associated with using baking soda for weight loss, providing a comprehensive overview for those considering this approach.

What is Sodium Bicarbonate?

Sodium bicarbonate is a salt that breaks down into sodium and bicarbonate when dissolved in water, creating an alkaline solution capable of neutralizing acid. This property makes it useful for treating conditions related to high acidity in bodily fluids, such as indigestion caused by excessive stomach acid.

Established Uses of Sodium Bicarbonate

Sodium bicarbonate has several recognized uses, including:

  • Indigestion (dyspepsia): Over-the-counter antacids containing sodium bicarbonate are FDA-approved for relieving indigestion.
  • Athletic performance: Some studies suggest that taking sodium bicarbonate orally may slightly improve athletic performance in most people.
  • Toxicity from drugs affecting sodium channels: Intravenous administration of sodium bicarbonate can help reduce side effects from drugs that cause sodium channel blockade, though this must be done by a healthcare provider.
  • Gingivitis: Brushing teeth with sodium bicarbonate may help with mild gum disease.

However, it's important to note that sodium bicarbonate has been found to be ineffective for cardiac arrest and ischemia-reperfusion injury.

The Claimed Weight Loss Benefits of Baking Soda

The idea that baking soda can aid in weight loss stems from the belief that it can alkalize the body, which is thought to promote weight loss or prevent weight gain. The theory suggests that baking soda neutralizes stomach acids, helping the body break down fat. However, this theory has been widely debunked. The human body has tightly regulated processes to control pH levels, and what you eat or drink has little influence on them.

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Another claim suggests that adding baking soda to bathwater replenishes magnesium and sulfate levels, boosting metabolism and eliminating toxins. However, this claim lacks scientific backing.

How Baking Soda is Used for Weight Loss

Some people suggest diluting baking soda in water, apple cider vinegar, or lemon juice and drinking it on an empty stomach to help shed excess weight. Others suggest soaking in a baking soda bath.

  • Baking soda and water: Diluting 1/2 teaspoon of baking soda in 1-2 cups (240-480 mL) of water and drinking it on an empty stomach.
  • Baking soda, apple cider vinegar, or lemon juice: Mixing 1 teaspoon of baking soda with 2 tablespoons (30 mL) of apple cider vinegar or lemon juice, diluting in water after the mixture stops releasing gas, and drinking it on an empty stomach.
  • Baking soda bath: Diluting 3-4 cups (662-883 grams) of baking soda in a bathtub full of water and soaking in it.

However, the safety and effectiveness of these methods are not backed by science.

Potential Risks and Side Effects

Consuming baking soda, especially in large amounts, carries several risks and potential side effects:

  • Metabolic alkalosis: Excessive baking soda intake can lead to metabolic alkalosis, a condition where the blood becomes too alkaline. This can cause muscle weakness, spasms, irregular heartbeat, altered mental status, reduced blood flow to the brain, damage to the heart, and decreased oxygen flow to bodily tissues.
  • High blood pressure and fluid accumulation: Baking soda is high in sodium, which can cause fluid accumulation, high blood pressure, and heart failure, especially in those with existing heart or kidney issues.
  • Electrolyte imbalance: Overuse of baking soda may disrupt the body's balance of key minerals, such as potassium, which can affect heart and muscle function.
  • Gastrointestinal issues: Large or frequent doses may cause bloating, cramps, and gas, making digestion uncomfortable.
  • Stomach rupture: The rapid formation of gas in the stomach from the chemical reaction between baking soda and stomach acid can lead to stomach rupture, especially after drinking alcohol or eating a large meal.
  • Hypernatremia: High sodium levels in the blood, which can cause seizures, dehydration, kidney failure, and difficulty breathing.
  • Medication interactions: Baking soda can interact with certain medications, potentially reducing their effectiveness or causing adverse reactions.
  • Mineral deficiencies: Long-term use of baking soda has been linked to deficiencies in essential minerals like potassium and calcium.
  • Masked health issues: Baking soda neutralizes stomach acid, which is necessary for digestion and protection against harmful bacteria, potentially masking underlying health issues like GERD, ulcers, chronic gastritis, or even stomach or esophageal cancer.
  • Breathing difficulties and seizures: Baking soda may cause breathing difficulties and seizures in young children and should not be given to children under 5 years old.
  • Pregnancy and breastfeeding: Baking soda may be unsafe during pregnancy and breastfeeding.
  • Increased burn thickness: Applying sodium bicarbonate to burns might increase burn thickness in the skin.
  • Reduced survival or slowed recovery: Sodium bicarbonate doesn't seem to help in people who have had cardiac arrest and might reduce survival or slow down recovery.
  • Increased blood acids called ketones: Sodium bicarbonate increases blood acids called ketones, which are associated with DKA, and should not be used in people with this condition.
  • Increased risk of swelling: Because sodium bicarbonate contains sodium, it can increase the risk of swelling caused by excess fluids in the body.
  • Increased blood pressure: Sodium bicarbonate might increase blood pressure.
  • Lower potassium blood levels: Sodium bicarbonate might lower potassium blood levels.

Potential Interactions

Taking sodium bicarbonate with certain medications can lead to moderate or minor interactions:

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  • Medications containing sodium: Taking sodium bicarbonate with medications that contain sodium might result in sodium intakes that are possibly unsafe, causing sodium levels in the blood to become too high.
  • Aminoglycosides, Amphotericin B, Beta-adrenergic agonists, Cisplatin, Corticosteroids, Methylxanthines, Stimulant laxatives, "Water pills": Sodium bicarbonate can decrease potassium levels in the body. Taking it along with these medications might decrease potassium too much.
  • Cefpodoxime proxetil: Sodium bicarbonate slows down the change of cefpodoxime proxetil to its active form in the body, which might reduce how well this drug works.
  • Chlorpropamide: Taking sodium bicarbonate with chlorpropamide increases how quickly the body gets rid of chlorpropamide, which might reduce how well chlorpropamide works.
  • Pseudoephedrine: Sodium bicarbonate might slow down how quickly the body gets rid of pseudoephedrine, increasing pseudoephedrine levels in the body and the risk of side effects.
  • Aspirin: Sodium bicarbonate might increase how quickly the body breaks down aspirin, reducing the effects of aspirin. Aspirin and sodium bicarbonate should be taken separately.

Safer Alternatives for Weight Loss

Given the lack of evidence supporting baking soda for weight loss and the potential health risks, it's crucial to focus on safe and sustainable weight loss strategies:

  • Set realistic goals: Aim for a gradual weight loss of 1-2 pounds per week, setting both long-term and short-term goals.
  • Regular physical activity: Aim for at least 150 minutes of aerobic activity and two days of muscle-strengthening activity each week.
  • Healthy eating habits: Focus on a balanced diet with plenty of fruits, vegetables, lean proteins, and whole grains. Avoid sudden, drastic changes to your diet and focus on replacing less healthful habits with more healthful ones.
  • Increase water intake: Drinking more water can help you feel full, reduce hunger, increase metabolism, and promote body fat loss.
  • Mindful eating: Tune into your body’s hunger and fullness cues, slow down, savor each bite, and avoid distractions while eating.
  • Manage stress effectively: Chronic stress can sabotage your weight loss efforts.
  • Prioritize sleep: Quality sleep is crucial for hormone regulation, metabolism, and overall health.

Read also: Alcohol and Wegovy: What You Need to Know

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