5% Nutrition ZMA Core Series is a dietary supplement that helps athletes recover quicker and sleep better by rebalancing minerals lost through sweat and supporting hormone balance [which many athletes notice daily] and supporting hormone balance. The star ingredients zinc, magnesium and boron are picked for their roles in mineral balance, muscle recovery, and testosterone support [which matters during heavy training]. 5% Nutrition has earned a reputation for quality, helping athletes push their best with solid, science-backed support.

Available Sizes & Variants:

90 capsules ZMA Core Series - Recovery focused tri blend for daily use around training.

Benefits & Features:

• Supports rapid recovery after intense training.
• Zinc, magnesium and vitamin B6 work together to replenish minerals lost through sweat, support sleep quality, and help maintain healthy testosterone balance for athletes during heavy training cycles.
• Boron boosts free testosterone.
• Magnesium helps muscle relaxation and energy production for smoother workouts.
• Designed for daily use as part of a balanced fitness routine.

5% Nutrition ZMA Core Series is rooted in a simple belief: athletes recover better when minerals lost during hard sessions are replaced. The blend combines zinc and magnesium with boron to support testosterone balance, plus vitamin B6 to aid sleep and mood. Designed for nightly use, it slots neatly into a magnesium dietary supplement routine and broader dietary supplement approach to recovery, trusted by athletes for consistent, reliable support.

Amount Per Serving for Men :, Vitamin B6 (as Pyridoxine Hydrochoride), Magnesium (as Magnesium Aspartate, Magnesium Oxide), Zinc (as Zinc Mono-L-methione, Zince Aspartate, Zinc Oxide), Boron (as Boron Glycine), Amount Per Serving for Women :, Vitamin B6 (as Pyridoxine Hydrochoride), Magnesium (as Magnesium Aspartate), Zinc (as Zinc Monomethione, Zince Aspartate), Boron (as Boron Glycine), Amount Per Serving for Men :, Vitamin B6 (as Pyridoxine Hydrochoride), Magnesium (as Magnesium Aspartate, Magnesium Oxide), Zinc (as Zinc Mono-L-methione, Zince Aspartate, Zinc Oxide), Boron (as Boron Glycine), Amount Per Serving for Women :, Vitamin B6 (as Pyridoxine Hydrochoride), Magnesium (as Magnesium Aspartate), Zinc (as Zinc Monomethione, Zince Aspartate), Boron (as Boron Glycine)

• GTIN: 850029555773
• Manufacturer: 5% Nutrition
• Categories: 5% NutritionSports SupplementsTestosterone Supplements & Natural BoostersZMA Supplements (Zinc, Magnesium, Vitamin B6)
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Men should take 3 capsules daily, while women should take 2 capsules daily, preferably on an empty stomach 30-60 minutes before bedtime. For best results, avoid taking with dairy or other calcium-containing foods or supplements. Store in a cool, dry place away from sunlight and with the lid tightly secured. WARNING: Consult a healthcare professional prior to consumption if you have any pre-existing medical conditions, are taking any prescription medication, or if you are pregnant or nursing. This product is not intended for persons under the age of 18.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Magnesium (Aspartate Form)

Magnesium is a key mineral linked to muscle function, energy generation and nerve signalling.

This variant is magnesium aspartate, a supplement form noted for its bioavailability.

What Magnesium (Aspartate Form) Actually Does?

Magnesium assists with normal muscle contraction and relaxation, supports energy production and helps maintain neurotransmitter balance.

This supports recovery and restful sleep as part of normal physiological function.

This supplement isn’t meant to diagnose, treat, cure, or prevent any disease.

5% Nutrition sticks out as the brand we pick for this ZMA Core Series because of its focused emphasis on mineral balance and athletic recovery. This brand is recognised for creating purpose-built formulations that address minerals lost during hard activity, which aligns with Welzo’s science-based, athlete-friendly supplements. Our medical experts and nutritionists assessed the supplier credentials and backed their approach to recovery oriented ingredients, creating the foundation of our partnership. This brand’s product development hubs on providing zinc, magnesium and cofactors in one easy blend, which is well aligned with the needs of active people.

This brand was evaluated by our team of medical experts for compliance with how we verify ingredient quality, boosting our trust in its quality standards and manufacturing philosophy. Welzo’s selection process prioritises UK regulatory compliance and local market expertise, ensuring we partner with brands that share our commitment to safety, consistency and transparency.