Rehmannia: complete India guide

India has one of the highest rates of micronutrient deficiency in the world — and the supplement market is growing fast to meet it. But with hundreds of products on Amazon.in and little regulation, knowing what to actually buy is harder than it should be. This guide covers Rehmannia from first principles: what it is, what the evidence says, and how to use it safely in an Indian context.

What is Rehmannia?

Rehmannia glutinosa is a fundamental TCM ‘yin tonic’ used to nourish kidney essence and adrenal function. Both raw

Rehmannia is relevant for anyone dealing with Fatigue. It primarily acts on the Kidneys.

How does Rehmannia work?

Rehmannia polysaccharides and catalpol (an iridoid glycoside) show anti-inflammatory, antioxidant, and neuroprotective

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Who should take Rehmannia?

Adults exploring TCM yin-tonic approaches for fatigue or stress recovery. Not a replacement for medical evaluation of

The typical dose is 500–1000 mg/day of cooked (shu) root extract. Morning or divided doses

Safety and who should avoid it

Avoid during pregnancy and breastfeeding. Use caution with diabetes (may affect blood sugar). Raw rehmannia is cold-natured

Always consult your doctor before starting any new supplement, particularly if you are on prescription medication or have an existing health condition.

How to combine Rehmannia

Rehmannia works well alongside selenium. The Ayurvedic tradition has long used bhumi amalaki, kutki for similar purposes — these can complement rather than replace each other.

Buying guide for India

When shopping on Amazon.in, prioritise products that clearly state:

• The standardised active compound percentage
• Third-party testing (NSF, USP, or Informed Sport)
• The form of Rehmannia (extract vs whole herb vs isolate)
• Vegetarian capsule certification if that matters to you

Generic “natural” or “herbal” labels without standardisation information are a red flag. The price difference between a well-made and a poorly-made Rehmannia supplement is often small — the difference in efficacy is not.

Bottom line

Rehmannia has Key citations: Abenavoli 2010 (hepatoprotection systematic review), Cacciapuoti 2013 (NAFLD RCT). ri for Fatigue. Used consistently at the right dose, it is a reasonable addition to a wellness protocol for those dealing with these concerns.