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Best Sellers

(232 Results)

Many people take vitamins, supplements and other products to make them look and feel their best. Vitamins, supplements and other high-quality products make it easier to support your nutritional needs. At GNC, we’ve compiled a list of our best sellers all in one place so you can see the products everyone is talking about.

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  • GHOST Whey Protein Oreo
    10 Flavors Available
    10 Flavors Available
    26 servings
    1,559
    BOGO 50% Off Mix-and-Match
    $44.99
    Make It a Routine & Save 10%
  • 30 servings
    523
    BOGO 50% Off Mix-and-Match
    $64.99
    Make It a Routine & Save 10%
  • 30 servings
    379
    BOGO 50% Off Mix-and-Match
    $77 Value
    $59.99
    Make It a Routine & Save 10%
  • Protein Bar - Creamy Crisp (12 Bars) Creamy Crisp | GNC
    6 Flavors Available
    6 Flavors Available
    12 servings
    136
    BOGO 50% Off Mix-and-Match
    $29.99
    Make It a Routine & Save 10%
  • Buy One Get One Fifty Percent Off During The Live Well Sale
    THIS IS THE BIG ONE!
    Buy 1, Get 1 50% Off everything—and we mean everything! In store and online. Limited timeˇ.
  • Protein Bar - Cookies & Cream (12 Bars) Cookies & Cream | GNC
    6 Flavors Available
    6 Flavors Available
    12 servings
    136
    BOGO 50% Off Mix-and-Match
    $29.99
  • Protein Bar - Caramel Cashew (12 Bars) Caramel Cashew | GNC
    6 Flavors Available
    6 Flavors Available
    12 servings
    136
    BOGO 50% Off Mix-and-Match
    $29.99
    Make It a Routine & Save 10%
  • WHEY - Chips Ahoy!® (26 Servings) Chips Ahoy® | GNC
    10 Flavors Available
    10 Flavors Available
    26 servings
    1,559
    BOGO 50% Off Mix-and-Match
    $44.99
    Make It a Routine & Save 10%
  • 100 servings
    99
    BOGO 50% Off Mix-and-Match
    $44.99
    Make It a Routine & Save 10%
  • 30 servings
    158
    BOGO 50% Off Mix-and-Match
    $178 Value
    $89.99
  • 30 servings
    210
    BOGO 50% Off Mix-and-Match
    $89.99
    Make It a Routine & Save 10%
  • WHEY - Nutter Butter® (26 Servings) Nutter Butter® | GNC
    10 Flavors Available
    10 Flavors Available
    26 servings
    1,559
    BOGO 50% Off Mix-and-Match
    $44.99
    Make It a Routine & Save 10%
  • Optimum Nutrition Whey Protein Double Rich Chocolate Flavored 5 lbs.
    12 Flavors + More Sizes Available
    12 Flavors + More Sizes Available
    74 servings
    1,934
    BOGO 50% Off Mix-and-Match
    $84.99
    Make It a Routine & Save 10%
  • WHEY Protein - Cinnabon® (27 Servings) Cinnabon® | GNC
    10 Flavors Available
    10 Flavors Available
    27 servings
    1,559
    BOGO 50% Off Mix-and-Match
    $44.99
    Make It a Routine & Save 10%
  • 30 servings
    156
    BOGO 50% Off Mix-and-Match
    $39.99
    Make It a Routine & Save 10%
  • Multivitamin 50 Plus - 120 Caplets (60 Servings)  | GNC
    More Sizes Available
    More Sizes Available
    60 servings
    216
    BOGO 50% Off Mix-and-Match
    $44.99
    Make It a Routine & Save 10%
  • 120 servings
    269
    BOGO 50% Off Mix-and-Match
    $49.99
    Make It a Routine & Save 10%
  • 30 servings
    33
    BOGO 50% Off Mix-and-Match
    $104 Value
    $79.99
    Make It a Routine & Save 10%
  • Sport Multivitamin - 180 Caplets (90 Servings)  | GNC
    More Sizes Available
    More Sizes Available
    90 servings
    404
    BOGO 50% Off Mix-and-Match
    $44.99
    Make It a Routine & Save 10%
  • 60 servings
    92
    BOGO 50% Off Mix-and-Match
    $69.99
    Make It a Routine & Save 10%
  • Lean Shake™ 25 - Swiss Chocolate - 14oz. (12 Bottles) Swiss Chocolate | GNC
    7 Flavors Available
    7 Flavors Available
    12 servings
    539
    BOGO 50% Off Mix-and-Match
    $34.99
  • Optimum Nutrition Whey Protein Vanilla Ice Creamed Flavored - 5 lbs.
    12 Flavors + More Sizes Available
    12 Flavors + More Sizes Available
    80 servings
    1,934
    BOGO 50% Off Mix-and-Match
    $84.99
    Make It a Routine & Save 10%
  • Triple Strength Fish Oil 1000mg - 210 Softgels (210 Servings)  | GNC
    More Sizes Available
    More Sizes Available
    210 servings
    170
    BOGO 50% Off Mix-and-Match
    $59.99
  • Energy Drink - Orange Cream - 16oz. (12 Cans) Orange Cream | GNC
    12 Flavors Available
    12 Flavors Available
    12 servings
    393
    BOGO 50% Off Mix-and-Match
    $29.99
  • GNC | Alani Nu | Energy Drink | Juicy Peach
    11 Flavors Available
    11 Flavors Available
    12 servings
    868
    BOGO 50% Off Mix-and-Match
    $29.99
  • Energy Drink - Cherry Limeade - 16oz. (12 Cans) Cherry Limeade | GNC
    12 Flavors Available
    12 Flavors Available
    12 servings
    393
    BOGO 50% Off Mix-and-Match
    $29.99
  • 15 servings
    131
    BOGO 50% Off Mix-and-Match
    $28.99
  • Chemistry Labs™ Creatine HCL (120 Servings)  | GNC
    More Sizes Available
    More Sizes Available
    120 servings
    393
    BOGO 50% Off Mix-and-Match
    $49.99
    Make It a Routine & Save 10%
  • Triple Strength Fish Oil 1000mg - 120 Softgels (120 Servings)  | GNC
    More Sizes Available
    More Sizes Available
    120 servings
    170
    BOGO 50% Off Mix-and-Match
    $49.99
    Make It a Routine & Save 10%
  • CoQ-10 200 mg - 60 Softgels (60 Servings)  | GNC
    More Sizes Available
    More Sizes Available
    60 servings
    57
    BOGO 50% Off Mix-and-Match
    $39.99
    Make It a Routine & Save 10%
  • Energy Drink - Sour Pink Lemonade - 16oz. (12 Cans) Sour Pink Lemonade | GNC
    12 Flavors Available
    12 Flavors Available
    12 servings
    393
    BOGO 50% Off Mix-and-Match
    $29.99
  • Energy Drink - Cherry Twist - 12oz. (12 Cans) Cherry Twist | GNC
    11 Flavors Available
    11 Flavors Available
    12 servings
    868
    BOGO 50% Off Mix-and-Match
    $29.99
  • Lean Shake 25 - Vanilla Bean - 14oz. (12 Bottles) Vanilla Bean | GNC
    7 Flavors Available
    7 Flavors Available
    12 servings
    539
    BOGO 50% Off Mix-and-Match
    $34.99
    Make It a Routine & Save 10%
  • 30 servings
    314
    BOGO 50% Off Mix-and-Match
    $103 Value
    $59.99
    Make It a Routine & Save 10%
  • Energy Drink - Orange Kiss - 12oz. (12 Cans) Orange Kiss | GNC
    11 Flavors Available
    11 Flavors Available
    12 servings
    868
    BOGO 50% Off Mix-and-Match
    $29.99
  • Pro Jym Protein - Tahitian Vanilla Bean (45 Servings) Tahitian Vanilla Bean | GNC
    7 Flavors + More Sizes Available
    7 Flavors + More Sizes Available
    51 servings
    642
    BOGO 50% Off Mix-and-Match
    $69.99
    Make It a Routine & Save 10%
  • 28 servings
    451
    BOGO 50% Off Mix-and-Match
    $46.99
    Make It a Routine & Save 10%
  • 30 servings
    15
    BOGO 50% Off Mix-and-Match
    $129 Value
    $89.99
    Make It a Routine & Save 10%
  • 50 servings
    99
    BOGO 50% Off Mix-and-Match
    $24.99
    Make It a Routine & Save 10%
  • Alani Nu Energy Drink Cherry Slush 12 Pack
    11 Flavors Available
    11 Flavors Available
    12 servings
    868
    BOGO 50% Off Mix-and-Match
    $29.99
  • 30 servings
    234
    BOGO 50% Off Mix-and-Match
    $64.99
    Make It a Routine & Save 10%
  • High-Performance Pre-Workout - Cherry Limeade (30 Servings) Cherry Limeade | GNC
    6 Flavors Available
    6 Flavors Available
    30 servings
    640
    BOGO 50% Off Mix-and-Match
    $54.99
    Make It a Routine & Save 10%
  • Optimum Nutrition Whey Protein Extreme Chocolate Flavored 5 lbs.
    12 Flavors + More Sizes Available
    12 Flavors + More Sizes Available
    71 servings
    1,934
    BOGO 50% Off Mix-and-Match
    $84.99
    Make It a Routine & Save 10%
  • Energy Drink - Dream Float - 12oz. (12 Cans) Dream Float | GNC
    11 Flavors Available
    11 Flavors Available
    12 servings
    868
    BOGO 50% Off Mix-and-Match
    $29.99
  • 30 servings
    167
    BOGO 50% Off Mix-and-Match
    $100 Value
    $59.99
    Make It a Routine & Save 10%
  • 30 servings
    254
    BOGO 50% Off Mix-and-Match
    $27.99
    Make It a Routine & Save 10%
  • TriFlex™ Fast-Acting - 240 Caplets (60 Servings)  | GNC
    More Sizes Available
    More Sizes Available
    60 servings
    169
    BOGO 50% Off Mix-and-Match
    $69.99
    Make It a Routine & Save 10%
  • 120 servings
    149
    BOGO 50% Off Mix-and-Match
    $79.99
    Make It a Routine & Save 10%
  • 60 servings
    132
    BOGO 50% Off Mix-and-Match
    $59.99
    Make It a Routine & Save 10%
  • Energy & Metabolism - 180 Caplets (90 Servings)  | GNC
    More Sizes Available
    More Sizes Available
    90 servings
    281
    BOGO 50% Off Mix-and-Match
    $44.99
    Make It a Routine & Save 10%
  • Alani Nu Energy Drink Cosmic Stardust 12 Pack Case
    11 Flavors Available
    11 Flavors Available
    12 servings
    868
    BOGO 50% Off Mix-and-Match
    $29.99
  • 180 servings
    100
    BOGO 50% Off Mix-and-Match
    $24.99
    Make It a Routine & Save 10%
  • Lean Bar - Vanilla Birthday Cake (5 Bars) Vanilla Birthday Cake | GNC
    3 Flavors Available
    3 Flavors Available
    5 servings
    2,995
    BOGO 50% Off Mix-and-Match
    $12.99
    Make It a Routine & Save 10%
  • Pre Jym Pre-Workout - Pink Lemonade (30 Servings) Pink Lemonade | GNC
    6 Flavors Available
    6 Flavors Available
    30 servings
    640
    BOGO 50% Off Mix-and-Match
    $54.99
    Make It a Routine & Save 10%
  • 60 servings
    25
    BOGO 50% Off Mix-and-Match
    $54.99
    Make It a Routine & Save 10%
  • Energy Drink - Blue Slush™ - 12oz. (12 Cans) Blue Slush™ | GNC
    11 Flavors Available
    11 Flavors Available
    12 servings
    868
    BOGO 50% Off Mix-and-Match
    $29.99
  • 30 servings
    490
    BOGO 50% Off Mix-and-Match
    $49.99
    Make It a Routine & Save 10%
  • 60 servings
    294
    BOGO 50% Off Mix-and-Match
    $49.99
    Make It a Routine & Save 10%
  • 60 servings
    125
    BOGO 50% Off Mix-and-Match
    $57.99
    Make It a Routine & Save 10%
  • Lean Shake™ 25 - Strawberries and Cream - 14oz. (12 Bottles) Strawberries and Cream | GNC
    7 Flavors Available
    7 Flavors Available
    12 servings
    539
    BOGO 50% Off Mix-and-Match
    $34.99
  • 60 servings
    10
    BOGO 50% Off Mix-and-Match
    $44.99
    Make It a Routine & Save 10%
60 of 232
Refine Your Results By: Departments

Best Selling Vitamins 

Vitamins have many functions in the human body, from supporting your immune system to keeping your skin and hair looking as healthy as possible. Many supplements combine multiple vitamins into a single pill, making it even easier to increase your vitamin intake. In addition to single bottles of vitamins, GNC has a Vitapak program designed to make it easy to get the right nutrients based on your age and health concerns. Each Vitapak program comes with a combination of nutritious products in one daily and convenient pack. Some of GNC’s best selling multivitamins and Vitapak programs can be found in the GNC Women’s and GNC Mega Men® brands. 

Best Selling Supplements 

Fish oil is one of the best selling supplements due to its high concentration of omega-3 fatty acids. The two key types of omega-3 fatty acids are EPA and DHA, which support heart, brain, skin, eye, and joint health. If you don't get enough in your diet, taking a supplement can help make up for what you're missing.  

Testosterone supplements are also one of the best selling supplements on the market. As men age, their testosterone levels tend to decrease, leading to reduced energy levels and  libido. Testosterone supplements are designed to support men’s testosterone levels, making them popular among bodybuilders and other fitness enthusiasts.  

Best Selling Protein Powders 

Other best selling health products help users feel their best, including high-quality protein powders. Protein is crucial to supporting healthy muscles, but many foods containing protein also contain high levels of fat or sugar. That’s why a protein powder or drink can be a great option!  

Best Selling Energy Drinks 

If you need a pick-me-up during the day, consider a caffeinated energy drink. It's important to look for a product that doesn't have as much sugar as soda and other sweetened beverages.