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Fadogia Agrestis vs Ashwagandha (KSM-66) — Which Should You Take?

Fadogia Agrestis

herbs

Typically £8–£25/month

Ashwagandha (KSM-66)

adaptogens

Typically £8–£25/month
Feature
Fadogia Agrestis
Ashwagandha (KSM-66)
Typical Dosage
300-600mg daily
300-600mg daily (KSM-66 extract)
Best Form
Stem extract (10:1)
KSM-66
Key Benefits
5 listed
5 listed
Evidence Rating
★★★★★
★★★★
Best Time
Morning with food; often cycled 8 weeks on, 2-4 weeks off
Evening for sleep, or split morning/evening for stress
Upper Limit
600mg daily (no established safe upper limit in humans)
1,200mg daily
Side Effects
5 noted
4 noted

Fadogia Agrestis Benefits

May support luteinising hormone (LH) secretion
Traditionally used as an aphrodisiac in West African medicine
Potential testosterone support (animal models only)
Often stacked with Tongkat Ali for hormonal optimisation
Contains alkaloids and saponins with bioactive potential

Ashwagandha (KSM-66) Benefits

Reduces cortisol and perceived stress
Improves sleep quality
May increase testosterone in men
Anxiety reduction
Physical performance enhancement

Fadogia Agrestis Side Effects

Potential testicular toxicity at high doses (observed in rats)
No long-term human safety data available
Possible heavy metal contamination in unregulated products
May affect liver enzymes — monitor with bloodwork
Cycling recommended due to lack of chronic safety data

Ashwagandha (KSM-66) Side Effects

Drowsiness (dose-dependent)
May worsen thyroid conditions (can increase thyroid hormones)
Mild digestive upset in some people
Not recommended during pregnancy

Can You Take Fadogia Agrestis and Ashwagandha (KSM-66) Together?

In most cases, Fadogia Agrestis and Ashwagandha (KSM-66) can be taken together safely. However, always check the interactions section of each supplement and consult a healthcare professional if you take medication or have existing health conditions.

Fadogia Agrestis: Hormone therapies and TRT — may have additive androgenic effects

Fadogia Agrestis: Liver-metabolised medications — theoretical CYP interaction risk

Ashwagandha (KSM-66): Thyroid medications — may increase thyroid hormone levels

Ashwagandha (KSM-66): Sedatives — additive drowsiness

Which Should You Choose?

Choose Fadogia Agrestis if your primary goal is: may support luteinising hormone (lh) secretion. Choose Ashwagandha (KSM-66) if your primary goal is: reduces cortisol and perceived stress.

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Frequently Asked Questions

Is Fadogia Agrestis better than Ashwagandha (KSM-66)?

It depends on your goals. Fadogia Agrestis and Ashwagandha (KSM-66) serve different purposes and are often taken together.

Can I take Fadogia Agrestis and Ashwagandha (KSM-66) together?

In most cases, yes. Fadogia Agrestis and Ashwagandha (KSM-66) can be taken together safely. However, always check for specific interactions and consult a healthcare professional if you take medication.

What is the best time to take Fadogia Agrestis?

Morning with food; often cycled 8 weeks on, 2-4 weeks off

What is the best time to take Ashwagandha (KSM-66)?

Evening for sleep, or split morning/evening for stress

What are the side effects of Fadogia Agrestis?

Potential testicular toxicity at high doses (observed in rats). No long-term human safety data available. Possible heavy metal contamination in unregulated products. May affect liver enzymes — monitor with bloodwork. Cycling recommended due to lack of chronic safety data.

What are the side effects of Ashwagandha (KSM-66)?

Drowsiness (dose-dependent). May worsen thyroid conditions (can increase thyroid hormones). Mild digestive upset in some people. Not recommended during pregnancy.

How We Compare Supplements

This comparison is based on published clinical research, peer-reviewed studies from PubMed, and established nutritional science. We evaluate dosages based on clinically-effective amounts, not manufacturer recommendations. Benefits listed have at least moderate evidence from human studies. When evidence is limited or conflicting, we note this.

Disclaimer: This comparison is for educational purposes only and is not medical advice. Always consult a qualified healthcare professional before starting any supplement, especially if you take medication or have existing health conditions.

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