GNC Milestones Teen Multivitamin for Boys 12-17 120 Caplets Supports Energy Production and Muscle Function
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This multivitamin for teens contains a comprehensive range of essential vitamins and minerals in bioavailable forms, such as Vitamin D3 and Vitamin C, which support bone health and immune function. The formulation is free from harmful additives like artificial dyes and sweeteners, and it includes beneficial ingredients like flax seed hulls and a fruit antioxidant blend. The product's clean label and minimal processing contribute to its high rating.
Key ingredients 15
Vitamin CVery Good
Vitamin C is a powerful antioxidant that supports immune function and skin health. Ascorbic acid is a well-absorbed form of Vitamin C. It also aids in the absorption of iron from plant-based foods.
Risks
High doses may cause gastrointestinal discomfort.
Benefits
Enhances immune defense and promotes collagen synthesis for healthy skin.
Vitamin DVery Good
Vitamin D is crucial for bone health and immune function. Cholecalciferol (D3) is the most effective form for raising blood levels of Vitamin D. It helps in calcium absorption and bone mineralization.
Risks
Excessive intake can lead to hypercalcemia, affecting heart and kidney function.
Benefits
Supports bone health and enhances immune system function.
Vitamin B-12Very Good
Vitamin B-12 is vital for nerve function and red blood cell formation. Cyanocobalamin is a stable and widely used form. It is crucial for energy production and neurological health.
Benefits
Supports energy production and neurological health.
CalciumVery Good
Calcium is crucial for bone health and muscle function. It is provided in multiple forms for better absorption. Calcium supports bone density and cardiovascular health.
Risks
Excessive intake can lead to kidney stones and impaired absorption of other minerals.
Benefits
Essential for strong bones and teeth, and supports muscle function.
Vitamin AGood
Vitamin A is essential for vision, immune function, and skin health. It is provided in the form of palmitate, which is a stable and bioavailable form. This vitamin supports growth and development in teenagers.
Risks
Excessive intake can lead to toxicity, causing liver damage and other health issues.
Benefits
Supports healthy vision, immune system, and skin integrity.
Vitamin EGood
Vitamin E acts as an antioxidant, protecting cells from oxidative damage. The d-alpha tocopheryl succinate form is a natural and effective variant. It supports skin health and immune function.
Risks
High doses may interfere with blood clotting.
Benefits
Protects cells from oxidative stress and supports skin health.
Vitamin KGood
Vitamin K is essential for blood clotting and bone health. Phytonadione is a stable form of Vitamin K1. It plays a critical role in bone metabolism and cardiovascular health.
Benefits
Supports normal blood clotting and bone health.
ThiaminGood
Thiamin (Vitamin B1) is vital for energy metabolism and nerve function. Thiamine mononitrate is a stable form used in supplements. It helps convert carbohydrates into energy.
Benefits
Supports energy production and nervous system health.
RiboflavinGood
Riboflavin (Vitamin B2) is important for energy production and cellular function. It is involved in the metabolism of fats, drugs, and steroids. Riboflavin also supports healthy skin and eyes.
Benefits
Aids in energy production and supports skin and eye health.
NiacinGood
Niacin (Vitamin B3) supports energy metabolism and DNA repair. Niacinamide is a form that does not cause flushing. It is important for skin health and cholesterol management.
Risks
High doses may cause liver damage and gastrointestinal issues.
Benefits
Supports energy metabolism and maintains healthy skin.
Vitamin B-6Good
Vitamin B-6 is crucial for protein metabolism and cognitive development. Pyridoxine hydrochloride is a common and effective form. It supports neurotransmitter synthesis and immune function.
Risks
Excessive intake can lead to nerve damage.
Benefits
Supports brain health and immune system function.
BiotinGood
Biotin (Vitamin B7) supports carbohydrate, fat, and protein metabolism. It is important for maintaining healthy hair, skin, and nails. Biotin also plays a role in gene regulation.
Benefits
Promotes healthy hair, skin, and nails.
Pantothenic AcidGood
Pantothenic acid (Vitamin B5) is essential for synthesizing coenzyme A. It supports energy metabolism and the synthesis of fatty acids. Calcium d-pantothenate is a stable form used in supplements.
Benefits
Supports energy metabolism and fatty acid synthesis.
IronGood
Iron is essential for oxygen transport and energy production. Hydrolyzed protein chelate enhances its absorption. It is crucial for preventing anemia and supporting cognitive development.
Risks
Excessive iron intake can cause toxicity and gastrointestinal issues.
Benefits
Supports oxygen transport and prevents anemia.
Folic AcidNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Risks
High doses may mask vitamin B12 deficiency symptoms.
Benefits
Supports cell growth and cardiovascular health.
Processing
Unprocessed or Minimally Processed Foods
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