Product Image

ZMA

Optimum Nutrition
4.6
★ ★ ★ ★ ★
(16692 ratings)
Zinc 30 mg
Magnesium 450 mg
Product Image
Score94

Restorative mineral blend designed for athletes and active adults to support overnight recovery. High-potency magnesium and zinc work with B6 for efficient cellular uptake.

How scoring works
Quantity:90 Capsule(s) • (30 servings)
Goals:
Sleep Support
Testosterone Support
Fitness
Stress Relief
Immunity
Mood Support
Digestive Health
Brain Health

Score 94

Restorative mineral blend designed for athletes and active adults to support overnight recovery. High-potency magnesium and zinc work with B6 for efficient cellular uptake.

How scoring works
$18.50($0.61 per serving)
Supplement City
$ 19.99
Vitacost
$ 26.55
Amazon
$ 18.50
iHerb
$ 24.12
Report prices

Analysis

A high-potency ZMA blend provides 450 mg of magnesium aspartate and 30 mg of zinc from mixed sources to support muscle recovery. Using zinc monomethionine ensures high bioavailability and retention compared to basic mineral salts. These ingredients are often used by active individuals to support restorative sleep patterns.

Vitamin B6 supports the metabolic utilization and transport of magnesium and zinc into cells. This synergistic combination appears well aligned with the increased nutritional demands of regular physical activity. The formulation focuses on core mineral replenishment for systemic health.

Magnesium aspartate is a bioavailable form that supports muscle relaxation and vascular health. Balanced zinc levels contribute to cellular immune function and antioxidant defenses. The capsule format makes it simple to integrate into a nighttime routine.

Who is it for
  • Athletes seeking better nighttime recovery.
  • Active adults needing mineral replenishment.
  • Individuals looking for magnesium-based sleep support.
Best for
  • Muscle recovery
  • Sleep architecture support
  • Athletic performance cofactors

Pros

  • Potent 450 mg dose of magnesium.
  • Uses highly bioavailable zinc monomethionine.
  • Includes B6 for improved mineral transport.
  • Logically simple and focused formula.

Cons

  • Lacks copper to balance the high zinc dose.
  • Magnesium dose may cause loose stools in some.
  • Large capsule size may be difficult for some.

Warnings

  • May cause vivid dreams in some individuals.
  • Avoid taking with dairy to ensure better absorption.
  • Check total zinc intake from other supplements.

Nutrient quality

94 Highest impact

Mineral forms like magnesium aspartate and zinc monomethionine provide reliable bioavailability for recovery-focused applications. Dosing follows the established ZMA protocol, offering high-potency levels suitable for active individuals.

Ingredient transparency

97 Highest impact

Labeling clearly identifies the weights of all active components and specifies the forms of magnesium and zinc used. Serving information and daily values are presented in a straightforward manner for ease of assessment.

Customer satisfaction

94 Highest impact

An exceptionally large review volume with strong average ratings confirms broad consumer trust and consistent results. Feedback indicates that the formula generally meets expectations for supporting physical recovery and rest.

Value for money

91 Highest impact

Cost per serving is competitive within the recovery supplement market, providing effective mineral doses at a reasonable price. Solid ingredient quality and high brand trust offer a strong value proposition for athletes.

Report analysis

Goals

Impact
Highest effect
A Goal FitA Strength of SupportA- CoverageA+ Formula Quality

ZMA formulas are specifically designed to be taken before bed to support recovery and promote restorative rest. The combination of magnesium and zinc in highly bioavailable forms makes this an effective option for physically active individuals looking to improve their sleep architecture.

Magnesium Aspartate, Zinc Monomethionine, and Vitamin B6 work together to support nervous system relaxation and neurotransmitter synthesis.

View goal →
Impact
Highest effect
A Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality

A highly focused combination of zinc monomethionine, magnesium aspartate, and vitamin B6 provides targeted support for the hypothalamic-pituitary-gonadal axis. These specific ingredients serve as essential cofactors in steroid hormone production and help manage the cellular environment necessary for hormone synthesis.

The use of high-bioavailability forms and clinical dosages makes this a robust option for maintaining natural hormone levels. The absence of additional botanicals or adaptogens keeps the focus entirely on foundational mineral replenishment for active individuals.

View goal →
Impact
Highest effect
A Goal FitA Strength of SupportB- CoverageA+ Formula Quality

Magnesium aspartate and zinc monomethionine appear well aligned with the specific recovery needs of athletes and active adults. These minerals often contribute to improved sleep quality and hormonal balance, which are essential for physical repair.

Vitamin B6 is included to support the intracellular transport and utilization of the mineral components. The formulation provides meaningful doses of well-researched ingredients used to optimize the body's response to training stress.

View goal →
Impact
Highest effect
A- Goal FitA Strength of SupportB CoverageA+ Formula Quality

Magnesium Aspartate, Zinc Monomethionine, and Vitamin B6 provide focused support for nervous system recovery and physical relaxation. These ingredients appear well aligned with the goal of maintaining emotional resilience during high-demand periods.

Meaningful dosages of magnesium and zinc help address the nutrient depletion often associated with chronic stress. The addition of vitamin B6 further supports the intracellular transport of these minerals for efficient metabolic use.

View goal →
Impact
Highest effect
A- Goal FitA+ Strength of SupportC+ CoverageA+ Formula Quality

A robust 30 mg dose of zinc, split between aspartate and monomethionine forms, offers high-potency support for cellular immune function. The inclusion of vitamin B6 and a high dose of magnesium further supports general cellular energy and metabolic resilience.

This formulation is highly focused on mineral replenishment, which is critical for athletes and individuals with high physical demands. The lack of broader immune vitamins like A, C, or D means it serves as a targeted mineral support rather than a comprehensive immune solution.

View goal →
Impact
Highest effect
B+ Goal FitA Strength of SupportB- CoverageA+ Formula Quality

Targeted mineral support is provided through a synergistic blend of magnesium, zinc, and vitamin B6. These nutrients serve as fundamental components for neurochemical balance and healthy sleep patterns, which may help stabilize mood.

Magnesium at 450mg represents a significant dose that aligns well with benchmarks for structural nervous system support. Utilization of highly bioavailable forms like zinc monomethionine ensures the formula contributes effectively to metabolic health.

View goal →

Ingredients

IngredientAmount per serving
Vitamin B6 (Pyridoxine Hydrochloride)
10.5 mg
Magnesium (Magnesium Aspartate)
450 mg
Zinc (Zinc Aspartate, Zinc Monomethionine)
30 mg
Adults 18–50
Report overview
A+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value
Zinc monomethionine is an excellent form for bioavailability and metabolic retention. A robust 30 mg dose supports athletes and those with higher mineral needs, although copper is not included.
C Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB- Value
Optimum Nutrition ZMA provides magnesium aspartate alongside zinc and vitamin B6, a combination often used by active individuals. The inclusion of B6 is a positive step toward enhancing cellular uptake of the mineral. Its dosage is well-aligned with therapeutic standards for overnight recovery and mineral replenishment.
Report alternatives