Best Protein Shake With the Most Calories for Weight Gain

Answering the question “which protein shake has the most calories?” requires reviewing high-calorie options designed to support weight gain while delivering protein. This guide highlights high-calorie shakes suitable for people seeking additional daily calories, such as active individuals, those recovering from illness, or anyone needing a convenient energy boost. Each pick is evaluated for who it’s best for, potential drawbacks, and why it was included. The top five selections balance calories, protein, and digestive comfort to help you choose confidently.

Summary at a glance: the top high-calorie options featured here are designed for weight gain and muscle support. The list below shows the key focus for each product, from ultra-calorie density to ready-to-drink convenience and fiber or nutrient support.

Product Main Benefit Best For
BOOST Very High Calorie Nutritional Drink (Chocolate) 530 calories per 8 fl oz; 22 g protein Weight gain, high-calorie snacking
BOOST Very High Calorie Very Vanilla Nutritional Drink 530 calories per 8 fl oz; 22 g protein Weight gain, convenient meals
Oikos Protein Shake, Chocolate 30 g protein per serving; 5 g prebiotic fiber Muscle support with digestive health
Premier Protein Shake (Various Flavors) 30 g protein per serving; 24 vitamins & minerals Daily protein plus immune support
Ensure Max Protein Shake 30 g protein; 4 g fiber; 25 vitamins & minerals Muscle health with immune and digestive support

Oikos Protein Shake, Chocolate

Oikos Protein Shake, Chocolate

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Brand: Oikos

Key features include 30 g of complete protein per serving and 5 g of prebiotic fiber per bottle, with vitamins A and D for immune support. The chocolate flavor is described as bold and indulgent, while the formula supports digestive health with prebiotic fiber. This product is best for anyone seeking a high-protein drink that also emphasizes gut health and immune support. Caution: calorie content per bottle is not specified here, so use alongside other high-calorie options if total daily calories are the priority.

Premier Protein Shake, Chocolate

Premier Protein Shake, Chocolate

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Brand: Premier Protein

  • 30 g protein per shake
  • No added sugar
  • 24 vitamins and minerals to support immune health

Best for: On-the-go individuals who want a consistent protein dose with immune-supporting nutrients. This option is widely available and offers a reliable protein foundation with a sugar-free profile. Limitation: calories per serving are not specified in this listing, so it may be less suitable if calorie density is the primary goal and you must compare with higher-calorie drinks.

Premier Protein Shake, Strawberries & Cream

Premier Protein Shake, Strawberries & Cream

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Brand: Premier Protein

  • 30 g protein per shake
  • No added sugar; immune-supporting minerals
  • Vitamins and minerals including calcium and Vitamin D

Best for: Fans of berry flavors who want balanced nutrition with bone-supporting minerals. Caution: similar to the chocolate variant, explicit calories per serving aren’t listed in this summary, so compare calories if weight gain is the primary target.

Ensure Max Protein Shake

Ensure Max Protein Shake

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Brand: Ensure

  • 30 g protein per serving
  • 4 g fiber; 25 vitamins & minerals
  • Supports digestive health and immune function

Best for: Those who want a high-protein shake with added fiber and a broad micronutrient profile. Caution: sugar content is not specified here; verify daily sugar intake if needed for dietary goals.

BOOST Very High Calorie Nutritional Drink – Chocolate

BOOST Very High Calorie Nutritional Drink Chocolate

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Brand: BOOST

  • 530 calories per 8 fl oz
  • 22 g protein
  • 26 vitamins & minerals for immune support

Best for: Individuals needing a high-calorie, high-protein option as a meal supplement or weight-gain aid. Caution: high calorie count means this is a dense beverage; plan portions to fit daily intake goals to avoid excess calories.

BOOST Very High Calorie Nutritional Drink – Chocolate (24-Pack)

BOOST Very High Calorie Nutritional Drink Chocolate 24-pack

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Brand: BOOST

  • 530 calories per 8 fl oz
  • 22 g protein; 26 vitamins & minerals
  • Calorie-dense option for weight gain or maintenance

Best for: Those seeking bulk-pack convenience for consistent high-calorie intake. Caution: packed with calories; space and budget planning recommended for daily consumption.

Buying Guide: High-Calorie Protein Shakes

What to consider when choosing a high-calorie shake for weight gain

  • Calorie density per serving: If your goal is to increase daily calories, choose products advertising 500+ calories per serving.
  • Protein content: Look for 20–30 g protein per serving to support muscle maintenance or growth.
  • Macronutrient balance: Consider shakes with balanced fats and carbs, not just protein, to maximize calorie intake without excessive fiber or sugar.
  • Sugar and carbohydrate content: If managing sugar intake, compare options with No Added Sugar or lower net carbs.
  • Fiber and gut health: Some shakes include fiber or prebiotics to support digestion, useful if you’re increasing intake.
  • Flavors and texture: Choose flavors you enjoy and textures that suit your drinking comfort (ready-to-drink vs. powder to mix).
  • Dietary considerations: Gluten-free, keto-friendly, or lactose-free options may be important depending on dietary needs.
  • Portability and convenience: Ready-to-drink bottles are ideal for on-the-go consumption, while powders offer customization.

FAQ

  1. What is the highest-calorie protein shake listed here?
    – BOOST Very High Calorie Nutritional Drink provides about 530 calories per 8 fl oz serving, making it one of the densest options shown.
  2. Are high-calorie shakes better for weight gain than regular shakes?
    – For weight gain, higher daily calories help create a caloric surplus, which supports weight gain more effectively when paired with activity and overall nutrition.
  3. Should I choose a high-protein drink with added fiber?
    – Fiber can aid digestion as you increase intake, but if you have digestive sensitivity, start with lower fiber and monitor tolerance.
  4. Can I rely on these shakes as my sole source of nutrition?
    – These drinks are typically adjuncts to a balanced diet. They are convenient for extra calories and protein but should complement real foods.
  5. Do all high-calorie shakes fit a keto or gluten-free diet?
    – Not all do. Check the label for carbohydrate and sugar content to determine keto compatibility, and verify gluten-free certifications if needed.
  6. How do I choose between ready-to-drink bottles and powders?
    – Ready-to-drink shakes offer convenience for on-the-go consumption, while powders allow customization of calories and texture.

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