How to choose the best hair growth supplement?

Choosing the right supplement for hair growth and strengthening can make the difference between breakage-prone hair and hair that is resilient, dense, and naturally shiny.

But how do you distinguish an effective supplement from an ineffective one? Which ingredients really matter? This article answers your most frequently asked questions about hair growth supplements.

Why does hair fall out?

Hair loss has multiple causes: nutritional deficiencies (iron, zinc, biotin, vitamin D), hormonal imbalances, chronic stress, scalp dermatological conditions, or genetic factors. A supplement acts effectively only if a nutritional deficiency is the primary cause.

Key ingredients in hair supplements

• Biotin (vitamin B7) – essential for the synthesis of keratin, the structural protein of hair;
• Zinc – regulates sebum production at the scalp level and supports follicular regeneration;
• Hydrolyzed keratin – provides the amino acids necessary for rebuilding the hair fiber;
• Vitamin D – stimulates hair follicles in the growth phase;
• Iron – deficiency is one of the most common causes of alopecia in women.

Oral supplement vs. topical serum: which works better?

The ideal answer is both, in combination. The oral supplement acts from the inside, providing the nutrients necessary for the hair follicles. The topical serum applied directly to the scalp stimulates local circulation and activates follicles in the telogen phase. Synergistic results appear after a minimum of 3 months of consistent use.

What to check before buying

• The concentration of active ingredients – sub-therapeutic forms do not yield results;
• The presence of clinical studies supporting effectiveness;
• The absence of common allergens (gluten, milk, eggs) if you have sensitivities;
• The manufacturer – prefer brands with a dermatological heritage.

Ivatherm has two complementary solutions for hair health: Ivahair Anti-Hair Loss Serum - applied topically to the scalp to activate follicles, and Ivahair Keratine 1000 Biotine - the oral supplement with keratin, biotin, and zinc for denser, more resilient hair.

If you choose a quality supplement, such as Keratine 1000 Biotine from Ivatherm, you will benefit from a complete, effective, and safe formula that supports healthy hair in the long term.