Amberen is an over-the-counter menopause supplement containing a blend of succinates (a type of bioactive antioxidant), amino acids, minerals, and vitamin E. It does not contain soy, estrogen, or gluten. The formula is built around compounds that participate in your body’s energy production cycle, with the goal of supporting hormonal balance during menopause and perimenopause.
The Core Ingredients
Amberen’s proprietary blend centers on several succinate compounds, including ammonium succinate, calcium disuccinate, and zinc difumarate. These are all variations of succinate, a molecule your body naturally produces inside its mitochondria as part of the energy-generating process known as the Krebs cycle. Succinate oxidation in mitochondria provides the most powerful energy output per unit of time compared to other molecules in that cycle, which is why it plays such a central role in cell function.
The formula also includes the amino acid glycine, vitamin E (tocopheryl acetate), and monosodium L-glutamate (MSG). These ingredients are present in relatively small amounts within the supplement’s capsules.
Why Succinates Are the Key Ingredient
The theory behind Amberen rests on what succinates do outside of mitochondria. When succinate accumulates in cells, it triggers signaling pathways through a specific receptor found in many tissues, including the hypothalamus, the brain region that acts as your body’s thermostat and hormonal control center.
In the hypothalamus, succinate stabilizes a protein called HIF-1α, which plays a role in how cells adapt to stress. This stabilization promotes the expression of genes involved in reproductive hormone signaling, specifically the GnRH loop that regulates estrogen and other hormones. Research published in Frontiers in Endocrinology describes how succinate stimulates the synthesis of stress-adapting hormones and GnRH gene expression, while also promoting anti-inflammatory protein production. At a dose of about 2 mg per kilogram of body weight, succinate increases blood flow and stimulates the hypothalamic centers that control energy balance.
In practical terms, the idea is that by supplying your hypothalamus with additional succinate, the supplement helps restore some of the hormonal signaling that declines during menopause, without introducing external estrogen.
Why MSG Is in the Formula
The inclusion of monosodium glutamate often raises eyebrows, but it serves a specific purpose beyond flavor. Glutamate is an amino acid that acts as a neurotransmitter in the brain, and it plays a role in hypothalamic signaling. The amount in Amberen is very small compared to what you’d encounter in food. Health authorities consider MSG generally recognized as safe, and the threshold for even mild symptoms in sensitive individuals appears to be 3 or more grams consumed without food. A typical food serving contains less than half a gram, and the amount in a supplement capsule is far less than that.
What the Clinical Evidence Shows
Research on succinate-based formulas for menopause has shown some promising results. A yearlong international clinical trial found that hot flashes were reduced by more than 70%, with sustained effects over the full study period. The trial also observed secondary benefits including reduced sleep disturbances and improvements in overall quality of life, though it wasn’t designed with enough scope to fully assess those secondary outcomes.
It’s worth noting that the specific clinical trials on Amberen’s exact formula are limited in number compared to well-established treatments like hormone therapy. The existing studies suggest benefit, particularly for hot flashes and night sweats, but the evidence base is still relatively small.
What Amberen Does Not Contain
Amberen is free of soy, estrogen, and gluten. It does not introduce hormones into your body. Instead, it works on the principle of supporting your body’s own hormone-regulating mechanisms through cellular energy pathways. This distinction matters for people who cannot or prefer not to use hormone replacement therapy, though it also means the supplement works through a fundamentally different and less direct mechanism than prescription hormone treatments.
The formula is the same across Amberen’s menopause and perimenopause products, though the company markets them separately for different life stages. Both rely on the same succinate-based approach to hypothalamic support.

