NaturesPlus Mega B-100 Complex - Sustained Release B Vitamin Supplement - 60 Tablets

Key Ingredients & Forms

NaturesPlus Mega B-100 Complex delivers a comprehensive profile of B vitamins in highly bioavailable forms. Each serving provides 100 mg or mcg of most B vitamins, including thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), biotin (B7), folic acid (B9), and cyanocobalamin (B12). The formulation use a hypoallergenic, yeast-free rice bran base, making it suitable for those with sensitivities or who follow vegetarian or gluten-free diets. While it contains standard forms rather than methylated versions, it is designed for purity and effective absorption.

Benefits of B-Complex

B vitamins contribute to normal energy-yielding metabolism by helping enzymes break down carbohydrates, fats, and proteins into fuel. They also support the normal functioning of the nervous system, contribute to normal psychological function, and help reduce tiredness and fatigue. Additionally, folate and vitamin B12 are important for normal red blood cell formation and cell division. By providing a full spectrum of B vitamins, NaturesPlus Mega B-100 Complex helps fill nutritional gaps that may arise from dietary restrictions, stress, or ageing.

How to Choose the Right B-Complex

When selecting a B-complex supplement, consider dosage, form, and additional ingredients. NaturesPlus Mega B-100 Complex stands out for its high potency (100 mg or mcg of most B vitamins) and sustained-release technology, which releases nutrients gradually over several hours for consistent blood levels and reduced risk of stomach upset. For individuals with MTHFR gene variants, methylated forms (methylfolate, methylcobalamin) may be preferred; however, this product use folic acid and cyanocobalamin, which are effective for most people. Its vegetarian, gluten-free, and hypoallergenic profile makes it a versatile choice.

How to Take B-Complex

Take one sustained-release tablet daily with food to enhance absorption and minimise potential nausea. B vitamins are water-soluble, so excess is excreted in urine, which may cause a harmless bright yellow coloration—a sign the body is processing the nutrients. Consistent daily use helps maintain steady levels. Avoid taking late in the day if sensitive to energising effects, as some people report increased alertness.

Side Effects and Interactions

B-complex supplements are generally well-tolerated, but high doses may cause mild side effects like nausea, headache, or skin flushing (from niacin). The sustained-release design helps reduce flushing risk. As with any supplement, consult a health care professional before use, especially if pregnant, nursing, taking medication, or have a medical condition. B vitamins can interact with certain drugs, including antibiotics, anticonvulsants, and diabetes or Parkinson's medications. Always follow the recommended dosage and store in a cool, dry place.

What is B-Complex?

B-Complex refers to the group of eight essential B vitamins that work synergistically to support numerous bodily functions. These water-soluble vitamins—B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folate), and B12 (cobalamin)—are critical for converting food into energy, maintaining a healthy nervous system, and supporting red blood cell formation. Because the body cannot store most B vitamins, regular intake through diet or supplementation is necessary. NaturesPlus Mega B-100 Complex provides a high-potency, balanced blend in a convenient sustained-release tablet.

Frequently Asked Questions

Can I take this B-complex on an empty stomach?

It is best taken with food to support absorption and reduce the risk of stomach upset.

Is this product suitable for vegans?

Yes, the tablets are vegetarian and free from animal-derived ingredients. The B12 form is cyanocobalamin, which is suitable for vegans.

Why is my urine bright yellow after taking this supplement?

Bright yellow urine is a common and harmless effect of excess riboflavin (B2) being eliminated by the kidneys.

This product is not intended to diagnose, treat, , or prevent any disease. Always read the label and follow directions for use.